22121110020202 has 16 divisors (see below), whose sum is σ = 33808486463424. Its totient is φ = 10853091144000.

The previous prime is 22121110020173. The next prime is 22121110020281. The reversal of 22121110020202 is 20202001112122.

It is a happy number.

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, 369122799 + ... + 369182722.

It is an arithmetic number, because the mean of its divisors is an integer number (2113030403964).

Almost surely, 2^{22121110020202} is an apocalyptic number.

22121110020202 is a deficient number, since it is larger than the sum of its proper divisors (11687376443222).

22121110020202 is a wasteful number, since it uses less digits than its factorization.

22121110020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738305805.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22121110020202 its reverse (20202001112122), we get a palindrome (42323111132324).

The spelling of 22121110020202 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred ten million, twenty thousand, two hundred two".