102021121012313 has 32 divisors (see below), whose sum is σ = 111574739727360. Its totient is φ = 92865996288000.

The previous prime is 102021121012301. The next prime is 102021121012319. The reversal of 102021121012313 is 313210121120201.

It is not a de Polignac number, because 102021121012313 - 2²⁸ = 102020852576857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021121012319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8334371873 + ... + 8334384113.

It is an arithmetic number, because the mean of its divisors is an integer number (3486710616480).

Almost surely, 2^{102021121012313} is an apocalyptic number.

It is an amenable number.

102021121012313 is a deficient number, since it is larger than the sum of its proper divisors (9553618715047).

102021121012313 is a wasteful number, since it uses less digits than its factorization.

102021121012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20609.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 102021121012313 its reverse (313210121120201), we get a palindrome (415231242132514).

The spelling of 102021121012313 in words is "one hundred two trillion, twenty-one billion, one hundred twenty-one million, twelve thousand, three hundred thirteen".