102171122607125 has 64 divisors (see below), whose sum is σ = 151911323665920. Its totient is φ = 67624341120000.

The previous prime is 102171122607109. The next prime is 102171122607137. The reversal of 102171122607125 is 521706221171201.

It is not a de Polignac number, because 102171122607125 - 2⁴ = 102171122607109 is a prime.

It is a super-3 number, since 3×102171122607125³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38983460 + ... + 41521709.

It is an arithmetic number, because the mean of its divisors is an integer number (2373614432280).

Almost surely, 2^{102171122607125} is an apocalyptic number.

It is an amenable number.

102171122607125 is a deficient number, since it is larger than the sum of its proper divisors (49740201058795).

102171122607125 is a wasteful number, since it uses less digits than its factorization.

102171122607125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80505279 (or 80505269 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 38.

Adding to 102171122607125 its reverse (521706221171201), we get a palindrome (623877343778326).

The spelling of 102171122607125 in words is "one hundred two trillion, one hundred seventy-one billion, one hundred twenty-two million, six hundred seven thousand, one hundred twenty-five".