102021922928 has 20 divisors (see below), whose sum is σ = 209294974800. Its totient is φ = 48010316544.

The previous prime is 102021922909. The next prime is 102021922943. The reversal of 102021922928 is 829229120201.

It is a junction number, because it is equal to n+sod(n) for n = 102021922891 and 102021922900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187540028 + ... + 187540571.

It is an arithmetic number, because the mean of its divisors is an integer number (10464748740).

Almost surely, 2^102021922928 is an apocalyptic number.

It is an amenable number.

102021922928 is an abundant number, since it is smaller than the sum of its proper divisors (107273051872).

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

102021922928 is a wasteful number, since it uses less digits than its factorization.

102021922928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375080624 (or 375080618 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 102021922928 in words is "one hundred two billion, twenty-one million, nine hundred twenty-two thousand, nine hundred twenty-eight".