102220129975 has 24 divisors (see below), whose sum is σ = 129805441920. Its totient is φ = 79809834720.

The previous prime is 102220129961. The next prime is 102220129987. The reversal of 102220129975 is 579921022201.

It is not a de Polignac number, because 102220129975 - 2⁹ = 102220129463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1315662 + ... + 1391188.

It is an arithmetic number, because the mean of its divisors is an integer number (5408560080).

Almost surely, 2^102220129975 is an apocalyptic number.

102220129975 is a deficient number, since it is larger than the sum of its proper divisors (27585311945).

102220129975 is a wasteful number, since it uses less digits than its factorization.

102220129975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76839 (or 76834 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 102220129975 in words is "one hundred two billion, two hundred twenty million, one hundred twenty-nine thousand, nine hundred seventy-five".