22210120200021 has 64 divisors (see below), whose sum is σ = 32940037912320. Its totient is φ = 13224299304960.

The previous prime is 22210120200011. The next prime is 22210120200043. The reversal of 22210120200021 is 12000202101222.

It is not a de Polignac number, because 22210120200021 - 2¹⁵ = 22210120167253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210120200011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106656415 + ... + 106864451.

It is an arithmetic number, because the mean of its divisors is an integer number (514688092380).

Almost surely, 2^{22210120200021} is an apocalyptic number.

It is an amenable number.

22210120200021 is a deficient number, since it is larger than the sum of its proper divisors (10729917712299).

22210120200021 is a wasteful number, since it uses less digits than its factorization.

22210120200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208646.

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

Adding to 22210120200021 its reverse (12000202101222), we get a palindrome (34210322301243).

The spelling of 22210120200021 in words is "twenty-two trillion, two hundred ten billion, one hundred twenty million, two hundred thousand, twenty-one".