22221012210202 has 64 divisors (see below), whose sum is σ = 38347046801280. Its totient is φ = 9566216884224.

The previous prime is 22221012210193. The next prime is 22221012210211. The reversal of 22221012210202 is 20201221012222.

It is an interprime number because it is at equal distance from previous prime (22221012210193) and next prime (22221012210211).

It is a self number, because there is not a number n which added to its sum of digits gives 22221012210202.

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, 848020033 + ... + 848046235.

It is an arithmetic number, because the mean of its divisors is an integer number (599172606270).

Almost surely, 2^{22221012210202} is an apocalyptic number.

22221012210202 is a deficient number, since it is larger than the sum of its proper divisors (16126034591078).

22221012210202 is a wasteful number, since it uses less digits than its factorization.

22221012210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43327.

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

Adding to 22221012210202 its reverse (20201221012222), we get a palindrome (42422233222424).

The spelling of 22221012210202 in words is "twenty-two trillion, two hundred twenty-one billion, twelve million, two hundred ten thousand, two hundred two".