22123110112 has 24 divisors (see below), whose sum is σ = 44293095000. Its totient is φ = 10874070144.

The previous prime is 22123110019. The next prime is 22123110127. The reversal of 22123110112 is 21101132122.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5856987 + ... + 5860762.

It is an arithmetic number, because the mean of its divisors is an integer number (1845545625).

Almost surely, 2^22123110112 is an apocalyptic number.

It is an amenable number.

22123110112 is an abundant number, since it is smaller than the sum of its proper divisors (22169984888).

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

22123110112 is a wasteful number, since it uses less digits than its factorization.

22123110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717818 (or 11717810 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22123110112 its reverse (21101132122), we get a palindrome (43224242234).

The spelling of 22123110112 in words is "twenty-two billion, one hundred twenty-three million, one hundred ten thousand, one hundred twelve".