22112130112 has 56 divisors (see below), whose sum is σ = 47540424096. Its totient is φ = 10163693568.

The previous prime is 22112130109. The next prime is 22112130119. The reversal of 22112130112 is 21103121122.

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 (22112130119) 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, 189538 + ... + 283105.

Almost surely, 2^22112130112 is an apocalyptic number.

It is an amenable number.

22112130112 is an abundant number, since it is smaller than the sum of its proper divisors (25428293984).

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

22112130112 is a wasteful number, since it uses less digits than its factorization.

22112130112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472715 (or 472705 counting only the distinct ones).

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

Adding to 22112130112 its reverse (21103121122), we get a palindrome (43215251234).

The spelling of 22112130112 in words is "twenty-two billion, one hundred twelve million, one hundred thirty thousand, one hundred twelve".