22131423112 has 16 divisors (see below), whose sum is σ = 41679225360. Its totient is φ = 11016963024.

The previous prime is 22131423103. The next prime is 22131423161. The reversal of 22131423112 is 21132413122.

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, 6091638 + ... + 6095269.

It is an arithmetic number, because the mean of its divisors is an integer number (2604951585).

Almost surely, 2^22131423112 is an apocalyptic number.

It is an amenable number.

22131423112 is a deficient number, since it is larger than the sum of its proper divisors (19547802248).

22131423112 is a wasteful number, since it uses less digits than its factorization.

22131423112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187140 (or 12187136 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 22131423112 its reverse (21132413122), we get a palindrome (43263836234).

The spelling of 22131423112 in words is "twenty-two billion, one hundred thirty-one million, four hundred twenty-three thousand, one hundred twelve".