22122111120 has 40 divisors (see below), whose sum is σ = 68578545216. Its totient is φ = 5899229568.

The previous prime is 22122111107. The next prime is 22122111161. The reversal of 22122111120 is 2111122122.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22122111120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46087492 + ... + 46087971.

Almost surely, 2^22122111120 is an apocalyptic number.

22122111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122111120 is an abundant number, since it is smaller than the sum of its proper divisors (46456434096).

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

22122111120 is a wasteful number, since it uses less digits than its factorization.

22122111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92175479 (or 92175473 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22122111120 its reverse (2111122122), we get a palindrome (24233233242).

The spelling of 22122111120 in words is "twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twenty".