22121020222202 has 32 divisors (see below), whose sum is σ = 36343156550400. Its totient is φ = 10014762847680.

The previous prime is 22121020222181. The next prime is 22121020222261. The reversal of 22121020222202 is 20222202012122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5091023 + ... + 8376189.

It is an arithmetic number, because the mean of its divisors is an integer number (1135723642200).

Almost surely, 2^{22121020222202} is an apocalyptic number.

22121020222202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22121020222202 is a deficient number, since it is larger than the sum of its proper divisors (14222136328198).

22121020222202 is a wasteful number, since it uses less digits than its factorization.

22121020222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286406.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22121020222202 its reverse (20222202012122), we get a palindrome (42343222234324).

The spelling of 22121020222202 in words is "twenty-two trillion, one hundred twenty-one billion, twenty million, two hundred twenty-two thousand, two hundred two".