102375142107421 has 64 divisors (see below), whose sum is σ = 112196823148800. Its totient is φ = 93188943783936.

The previous prime is 102375142107341. The next prime is 102375142107437. The reversal of 102375142107421 is 124701241573201.

It is a cyclic number.

It is not a de Polignac number, because 102375142107421 - 2²³ = 102375133718813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102375142117421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4469152650 + ... + 4469175556.

It is an arithmetic number, because the mean of its divisors is an integer number (1753075361700).

Almost surely, 2^{102375142107421} is an apocalyptic number.

It is an amenable number.

102375142107421 is a deficient number, since it is larger than the sum of its proper divisors (9821681041379).

102375142107421 is a wasteful number, since it uses less digits than its factorization.

102375142107421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23998.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 102375142107421 in words is "one hundred two trillion, three hundred seventy-five billion, one hundred forty-two million, one hundred seven thousand, four hundred twenty-one".