1122101200 has 60 divisors (see below), whose sum is σ = 2940936768. Its totient is φ = 408035200.

The previous prime is 1122101143. The next prime is 1122101249. The reversal of 1122101200 is 21012211.

It is a super-2 number, since 2×1122101200² = 2518222206082880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123112 + ... + 131911.

Almost surely, 2^1122101200 is an apocalyptic number.

1122101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122101200 is an abundant number, since it is smaller than the sum of its proper divisors (1818835568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122101200 is a wasteful number, since it uses less digits than its factorization.

1122101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255052 (or 255041 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1122101200 is about 33497.7790308552. The cubic root of 1122101200 is about 1039.1478473208.

Adding to 1122101200 its reverse (21012211), we get a palindrome (1143113411).

The spelling of 1122101200 in words is "one billion, one hundred twenty-two million, one hundred one thousand, two hundred".