22013021112 has 16 divisors (see below), whose sum is σ = 55032552840. Its totient is φ = 7337673696.

The previous prime is 22013021111. The next prime is 22013021131. The reversal of 22013021112 is 21112031022.

It is a junction number, because it is equal to n+sod(n) for n = 22013021091 and 22013021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013021111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458604583 + ... + 458604630.

Almost surely, 2^22013021112 is an apocalyptic number.

It is an amenable number.

22013021112 is an abundant number, since it is smaller than the sum of its proper divisors (33019531728).

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

22013021112 is a wasteful number, since it uses less digits than its factorization.

22013021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917209222 (or 917209218 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22013021112 its reverse (21112031022), we get a palindrome (43125052134).

The spelling of 22013021112 in words is "twenty-two billion, thirteen million, twenty-one thousand, one hundred twelve".