202113321999 has 16 divisors (see below), whose sum is σ = 272943475200. Its totient is φ = 133013290176.

The previous prime is 202113321989. The next prime is 202113322001. The reversal of 202113321999 is 999123311202.

202113321999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202113321999 - 2¹⁶ = 202113256463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202113321999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202113321989) by changing a digit.

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, 1335747 + ... + 1479339.

It is an arithmetic number, because the mean of its divisors is an integer number (17058967200).

Almost surely, 2^202113321999 is an apocalyptic number.

202113321999 is a deficient number, since it is larger than the sum of its proper divisors (70830153201).

202113321999 is a wasteful number, since it uses less digits than its factorization.

202113321999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149614.

The product of its (nonzero) digits is 52488, while the sum is 42.

The spelling of 202113321999 in words is "two hundred two billion, one hundred thirteen million, three hundred twenty-one thousand, nine hundred ninety-nine".