22112000012112 has 40 divisors (see below), whose sum is σ = 57131647626240. Its totient is φ = 7369507841280.

The previous prime is 22112000012111. The next prime is 22112000012233. The reversal of 22112000012112 is 21121000021122.

It is a junction number, because it is equal to n+sod(n) for n = 22112000012091 and 22112000012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112000012111) 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, 35904912 + ... + 36515567.

It is an arithmetic number, because the mean of its divisors is an integer number (1428291190656).

Almost surely, 2^{22112000012112} is an apocalyptic number.

It is an amenable number.

22112000012112 is an abundant number, since it is smaller than the sum of its proper divisors (35019647614128).

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

22112000012112 is a wasteful number, since it uses less digits than its factorization.

22112000012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72426851 (or 72426845 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22112000012112 its reverse (21121000021122), we get a palindrome (43233000033234).

The spelling of 22112000012112 in words is "twenty-two trillion, one hundred twelve billion, twelve thousand, one hundred twelve".