202221220121122 has 24 divisors (see below), whose sum is σ = 330686556267600. Its totient is φ = 92485930058928.

The previous prime is 202221220121113. The next prime is 202221220121197. The reversal of 202221220121122 is 221121022122202.

It is a junction number, because it is equal to n+sod(n) for n = 202221220121093 and 202221220121102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3163827172 + ... + 3163891087.

It is an arithmetic number, because the mean of its divisors is an integer number (13778606511150).

Almost surely, 2^{202221220121122} is an apocalyptic number.

202221220121122 is a deficient number, since it is larger than the sum of its proper divisors (128465336146478).

202221220121122 is a wasteful number, since it uses less digits than its factorization.

202221220121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6327718338 (or 6327718309 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202221220121122 its reverse (221121022122202), we get a palindrome (423342242243324).

The spelling of 202221220121122 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".