102010121982 has 40 divisors (see below), whose sum is σ = 230714520696. Its totient is φ = 33685579728.

The previous prime is 102010121981. The next prime is 102010122001. The reversal of 102010121982 is 289121010201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010121981) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2925153 + ... + 2959820.

Almost surely, 2^102010121982 is an apocalyptic number.

102010121982 is an abundant number, since it is smaller than the sum of its proper divisors (128704398714).

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

102010121982 is a wasteful number, since it uses less digits than its factorization.

102010121982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5885094 (or 5885085 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 102010121982 in words is "one hundred two billion, ten million, one hundred twenty-one thousand, nine hundred eighty-two".