102171025052 has 12 divisors (see below), whose sum is σ = 178834028016. Its totient is φ = 51075588480.

The previous prime is 102171025001. The next prime is 102171025081. The reversal of 102171025052 is 250520171201.

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, 2457824 + ... + 2499047.

It is an arithmetic number, because the mean of its divisors is an integer number (14902835668).

Almost surely, 2^102171025052 is an apocalyptic number.

It is an amenable number.

102171025052 is a deficient number, since it is larger than the sum of its proper divisors (76663002964).

102171025052 is a wasteful number, since it uses less digits than its factorization.

102171025052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962028 (or 4962026 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

Adding to 102171025052 its reverse (250520171201), we get a palindrome (352691196253).

The spelling of 102171025052 in words is "one hundred two billion, one hundred seventy-one million, twenty-five thousand, fifty-two".