21202122202982 has 32 divisors (see below), whose sum is σ = 38319156103680. Its totient is φ = 8594950763520.

The previous prime is 21202122202981. The next prime is 21202122202991. The reversal of 21202122202982 is 28920222120212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202122202981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62003618 + ... + 62344629.

It is an arithmetic number, because the mean of its divisors is an integer number (1197473628240).

Almost surely, 2^{21202122202982} is an apocalyptic number.

21202122202982 is a deficient number, since it is larger than the sum of its proper divisors (17117033900698).

21202122202982 is a wasteful number, since it uses less digits than its factorization.

21202122202982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124348916.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 21202122202982 in words is "twenty-one trillion, two hundred two billion, one hundred twenty-two million, two hundred two thousand, nine hundred eighty-two".