22131000222122 has 48 divisors (see below), whose sum is σ = 36954735216000. Its totient is φ = 9931097404800.

The previous prime is 22131000222113. The next prime is 22131000222203. The reversal of 22131000222122 is 22122200013122.

It is a junction number, because it is equal to n+sod(n) for n = 22131000222094 and 22131000222103.

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, 184409597 + ... + 184529567.

It is an arithmetic number, because the mean of its divisors is an integer number (769890317000).

Almost surely, 2^{22131000222122} is an apocalyptic number.

22131000222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22131000222122 is a deficient number, since it is larger than the sum of its proper divisors (14823734993878).

22131000222122 is a wasteful number, since it uses less digits than its factorization.

22131000222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129723 (or 129712 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22131000222122 its reverse (22122200013122), we get a palindrome (44253200235244).

The spelling of 22131000222122 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred twenty-two thousand, one hundred twenty-two".