102001321013 has 4 divisors (see below), whose sum is σ = 102484739808. Its totient is φ = 101517902220.

The previous prime is 102001321007. The next prime is 102001321043. The reversal of 102001321013 is 310123100201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310123100201 = 2207 ⋅140517943.

It is a cyclic number.

It is not a de Polignac number, because 102001321013 - 2⁴ = 102001320997 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 (102001321043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241709081 + ... + 241709502.

It is an arithmetic number, because the mean of its divisors is an integer number (25621184952).

Almost surely, 2^102001321013 is an apocalyptic number.

It is an amenable number.

102001321013 is a deficient number, since it is larger than the sum of its proper divisors (483418795).

102001321013 is an equidigital number, since it uses as much as digits as its factorization.

102001321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483418794.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 102001321013 its reverse (310123100201), we get a palindrome (412124421214).

The spelling of 102001321013 in words is "one hundred two billion, one million, three hundred twenty-one thousand, thirteen".