21120000202022 has 32 divisors (see below), whose sum is σ = 32497422030720. Its totient is φ = 10289523409920.

The previous prime is 21120000202013. The next prime is 21120000202043. The reversal of 21120000202022 is 22020200002112.

It is a junction number, because it is equal to n+sod(n) for n = 21120000201988 and 21120000202006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586371758 + ... + 586407774.

It is an arithmetic number, because the mean of its divisors is an integer number (1015544438460).

Almost surely, 2^{21120000202022} is an apocalyptic number.

21120000202022 is a deficient number, since it is larger than the sum of its proper divisors (11377421828698).

21120000202022 is a wasteful number, since it uses less digits than its factorization.

21120000202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63536.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21120000202022 its reverse (22020200002112), we get a palindrome (43140200204134).

The spelling of 21120000202022 in words is "twenty-one trillion, one hundred twenty billion, two hundred two thousand, twenty-two".