22012100020112 has 40 divisors (see below), whose sum is σ = 44123200365240. Its totient is φ = 10625538560000.

The previous prime is 22012100020069. The next prime is 22012100020123. The reversal of 22012100020112 is 21102000121022.

It can be written as a sum of positive squares in 4 ways, for example, as 4424611282576 + 17587488737536 = 2103476^2 + 4193744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2770112 + ... + 7190112.

It is an arithmetic number, because the mean of its divisors is an integer number (1103080009131).

Almost surely, 2^{22012100020112} is an apocalyptic number.

It is an amenable number.

22012100020112 is an abundant number, since it is smaller than the sum of its proper divisors (22111100345128).

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

22012100020112 is a wasteful number, since it uses less digits than its factorization.

22012100020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430771 (or 4430765 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22012100020112 its reverse (21102000121022), we get a palindrome (43114100141134).

The spelling of 22012100020112 in words is "twenty-two trillion, twelve billion, one hundred million, twenty thousand, one hundred twelve".