22120121210 has 16 divisors (see below), whose sum is σ = 43435874592. Its totient is φ = 8043680400.

The previous prime is 22120121159. The next prime is 22120121237. The reversal of 22120121210 is 1212102122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100545896 + ... + 100546115.

It is an arithmetic number, because the mean of its divisors is an integer number (2714742162).

Almost surely, 2^22120121210 is an apocalyptic number.

22120121210 is a deficient number, since it is larger than the sum of its proper divisors (21315753382).

22120121210 is a wasteful number, since it uses less digits than its factorization.

22120121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201092029.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22120121210 its reverse (1212102122), we get a palindrome (23332223332).

The spelling of 22120121210 in words is "twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred ten".