102500044122142 has 32 divisors (see below), whose sum is σ = 165028362699744. Its totient is φ = 47573370086400.

The previous prime is 102500044122131. The next prime is 102500044122163. The reversal of 102500044122142 is 241221440005201.

It is a self number, because there is not a number n which added to its sum of digits gives 102500044122142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103181292 + ... + 104169952.

It is an arithmetic number, because the mean of its divisors is an integer number (5157136334367).

Almost surely, 2^{102500044122142} is an apocalyptic number.

102500044122142 is a deficient number, since it is larger than the sum of its proper divisors (62528318577602).

102500044122142 is a wasteful number, since it uses less digits than its factorization.

102500044122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030524.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 102500044122142 its reverse (241221440005201), we get a palindrome (343721484127343).

The spelling of 102500044122142 in words is "one hundred two trillion, five hundred billion, forty-four million, one hundred twenty-two thousand, one hundred forty-two".