1122

1122 is a natural number that follows 1121 and precedes 1123. In mathematics, 1122 factors as 2 × 3 × 11 × 17. It has 16 positive divisors, and the sum of all its divisors is 2592. It is a Harshad number in base 10, since the sum of its digits is 6 and 1122 is divisible by 6. Its binary representation is 10001100010.

Year 1122 CE is located in the High Middle Ages. In European history, 1122 is best known for the Concordat of Worms, signed between Pope Callixtus II and Holy Roman Emperor Henry V. The agreement settled the investiture controversy by delineating the powers of the church and the empire in the appointment of bishops: spiritual investiture remained with the pope, while secular investiture was constrained, reflecting a shift toward a degree of papal authority in ecclesiastical appointments.

Context around the year 1122 situates it within a broader period of feudal governance and growing urbanization in parts of Europe. While not all regions have detailed, contemporaneous records for that year, the concordat is routinely cited as a turning point in church–state relations during the era.

Other uses of the number 1122 include its appearance as an identifier or designation in various catalogs, models, or records. As a plain numerical value, it is primarily encountered through arithmetic, calendrical references, or historical dating.