22121110001210 has 64 divisors (see below), whose sum is σ = 43663041619200. Its totient is φ = 8002344430080.

The previous prime is 22121110001173. The next prime is 22121110001231. The reversal of 22121110001210 is 1210001112122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143368064 + ... + 143522276.

It is an arithmetic number, because the mean of its divisors is an integer number (682235025300).

Almost surely, 2^{22121110001210} is an apocalyptic number.

22121110001210 is a deficient number, since it is larger than the sum of its proper divisors (21541931617990).

22121110001210 is a wasteful number, since it uses less digits than its factorization.

22121110001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160983.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22121110001210 its reverse (1210001112122), we get a palindrome (23331111113332).

The spelling of 22121110001210 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred ten million, one thousand, two hundred ten".