921121182102 has 32 divisors (see below), whose sum is σ = 2010536588160. Its totient is φ = 279014069120.

The previous prime is 921121182053. The next prime is 921121182139. The reversal of 921121182102 is 201281121129.

It is a self number, because there is not a number n which added to its sum of digits gives 921121182102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2675523 + ... + 3000110.

It is an arithmetic number, because the mean of its divisors is an integer number (62829268380).

Almost surely, 2^921121182102 is an apocalyptic number.

921121182102 is an abundant number, since it is smaller than the sum of its proper divisors (1089415406058).

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

921121182102 is a wasteful number, since it uses less digits than its factorization.

921121182102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678108.

The product of its (nonzero) digits is 1152, while the sum is 30.

The spelling of 921121182102 in words is "nine hundred twenty-one billion, one hundred twenty-one million, one hundred eighty-two thousand, one hundred two".