22013112112 has 40 divisors (see below), whose sum is σ = 46108569200. Its totient is φ = 10145440512.

The previous prime is 22013112109. The next prime is 22013112119. The reversal of 22013112112 is 21121131022.

It is a super-2 number, since 2×22013112112² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (22013112119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967287 + ... + 989782.

It is an arithmetic number, because the mean of its divisors is an integer number (1152714230).

Almost surely, 2^22013112112 is an apocalyptic number.

It is an amenable number.

22013112112 is an abundant number, since it is smaller than the sum of its proper divisors (24095457088).

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

22013112112 is a wasteful number, since it uses less digits than its factorization.

22013112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957133 (or 1957127 counting only the distinct ones).

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

Adding to 22013112112 its reverse (21121131022), we get a palindrome (43134243134).

The spelling of 22013112112 in words is "twenty-two billion, thirteen million, one hundred twelve thousand, one hundred twelve".