22121202000210 has 64 divisors (see below), whose sum is σ = 54528257355264. Its totient is φ = 5739293664000.

The previous prime is 22121202000203. The next prime is 22121202000299. The reversal of 22121202000210 is 1200020212122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22121202000210.

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, 24544560 + ... + 25429860.

It is an arithmetic number, because the mean of its divisors is an integer number (852004021176).

Almost surely, 2^{22121202000210} is an apocalyptic number.

22121202000210 is an abundant number, since it is smaller than the sum of its proper divisors (32407055355054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121202000210 is a wasteful number, since it uses less digits than its factorization.

22121202000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907859.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22121202000210 its reverse (1200020212122), we get a palindrome (23321222212332).

The spelling of 22121202000210 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred two million, two hundred ten", and thus it is an aban number.