21113364120876 has 36 divisors (see below), whose sum is σ = 53380091833432. Its totient is φ = 7036443091584.

The previous prime is 21113364120829. The next prime is 21113364120881. The reversal of 21113364120876 is 67802146331112.

21113364120876 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 336 + 41 + 208 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55848526 + ... + 56225301.

Almost surely, 2^{21113364120876} is an apocalyptic number.

It is an amenable number.

21113364120876 is an abundant number, since it is smaller than the sum of its proper divisors (32266727712556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21113364120876 is a wasteful number, since it uses less digits than its factorization.

21113364120876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112079070 (or 112079065 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 21113364120876 in words is "twenty-one trillion, one hundred thirteen billion, three hundred sixty-four million, one hundred twenty thousand, eight hundred seventy-six".