102171585112 has 32 divisors (see below), whose sum is σ = 201986841600. Its totient is φ = 48317291424.

The previous prime is 102171585101. The next prime is 102171585127. The reversal of 102171585112 is 211585171201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461428 + ... + 645955.

It is an arithmetic number, because the mean of its divisors is an integer number (6312088800).

Almost surely, 2^102171585112 is an apocalyptic number.

It is an amenable number.

102171585112 is a deficient number, since it is larger than the sum of its proper divisors (99815256488).

102171585112 is a wasteful number, since it uses less digits than its factorization.

102171585112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108015 (or 1108011 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 34.

The spelling of 102171585112 in words is "one hundred two billion, one hundred seventy-one million, five hundred eighty-five thousand, one hundred twelve".