102021302112321 has 8 divisors (see below), whose sum is σ = 136035830859040. Its totient is φ = 68010487386912.

The previous prime is 102021302112271. The next prime is 102021302112407. The reversal of 102021302112321 is 123211203120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102021302112321 - 2²⁵ = 102021268557889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102021302112221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 928441231 + ... + 928551108.

It is an arithmetic number, because the mean of its divisors is an integer number (17004478857380).

Almost surely, 2^{102021302112321} is an apocalyptic number.

It is an amenable number.

102021302112321 is a deficient number, since it is larger than the sum of its proper divisors (34014528746719).

102021302112321 is a wasteful number, since it uses less digits than its factorization.

102021302112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857010655.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 102021302112321 its reverse (123211203120201), we get a palindrome (225232505232522).

The spelling of 102021302112321 in words is "one hundred two trillion, twenty-one billion, three hundred two million, one hundred twelve thousand, three hundred twenty-one".