22121323303122 has 64 divisors (see below), whose sum is σ = 49513239878400. Its totient is φ = 7320620505600.

The previous prime is 22121323303111. The next prime is 22121323303187. The reversal of 22121323303122 is 22130332312122.

22121323303122 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 13 + 2 + 330 + 312 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13038004 + ... + 14636672.

It is an arithmetic number, because the mean of its divisors is an integer number (773644373100).

Almost surely, 2^{22121323303122} is an apocalyptic number.

22121323303122 is an abundant number, since it is smaller than the sum of its proper divisors (27391916575278).

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

22121323303122 is a wasteful number, since it uses less digits than its factorization.

22121323303122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600528 (or 1600522 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 22121323303122 its reverse (22130332312122), we get a palindrome (44251655615244).

The spelling of 22121323303122 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred twenty-three million, three hundred three thousand, one hundred twenty-two".