22000122112100 has 72 divisors (see below), whose sum is σ = 52081115636928. Its totient is φ = 7999917436800.

The previous prime is 22000122112097. The next prime is 22000122112127. The reversal of 22000122112100 is 121122100022.

It is a super-2 number, since 2×22000122112100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95229329 + ... + 95460071.

Almost surely, 2^{22000122112100} is an apocalyptic number.

22000122112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000122112100 is an abundant number, since it is smaller than the sum of its proper divisors (30080993524828).

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

22000122112100 is a wasteful number, since it uses less digits than its factorization.

22000122112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317445 (or 317438 counting only the distinct ones).

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

Adding to 22000122112100 its reverse (121122100022), we get a palindrome (22121244212122).

The spelling of 22000122112100 in words is "twenty-two trillion, one hundred twenty-two million, one hundred twelve thousand, one hundred".