22221200121022 has 32 divisors (see below), whose sum is σ = 38266489497600. Its totient is φ = 9480125456928.

The previous prime is 22221200120947. The next prime is 22221200121059. The reversal of 22221200121022 is 22012100212222.

It is a congruent number.

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, 57185604 + ... + 57572872.

It is an arithmetic number, because the mean of its divisors is an integer number (1195827796800).

Almost surely, 2^{22221200121022} is an apocalyptic number.

22221200121022 is a deficient number, since it is larger than the sum of its proper divisors (16045289376578).

22221200121022 is a wasteful number, since it uses less digits than its factorization.

22221200121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405880.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22221200121022 its reverse (22012100212222), we get a palindrome (44233300333244).

The spelling of 22221200121022 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred million, one hundred twenty-one thousand, twenty-two".