102320311250421 has 40 divisors (see below), whose sum is σ = 166745238711744. Its totient is φ = 62011927615680.

The previous prime is 102320311250387. The next prime is 102320311250431. The reversal of 102320311250421 is 124052113023201.

It is a happy number.

102320311250421 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 20 + 3 + 112 + 504 + 21 = 666.

It is not a de Polignac number, because 102320311250421 - 2²⁵ = 102320277695989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102320311250431) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 224155200 + ... + 224611206.

Almost surely, 2^{102320311250421} is an apocalyptic number.

102320311250421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102320311250421 is a deficient number, since it is larger than the sum of its proper divisors (64424927461323).

102320311250421 is a wasteful number, since it uses less digits than its factorization.

102320311250421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707863 (or 707854 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 102320311250421 its reverse (124052113023201), we get a palindrome (226372424273622).

The spelling of 102320311250421 in words is "one hundred two trillion, three hundred twenty billion, three hundred eleven million, two hundred fifty thousand, four hundred twenty-one".