102021112330013 has 4 divisors (see below), whose sum is σ = 102799899447168. Its totient is φ = 101242325212860.

The previous prime is 102021112329911. The next prime is 102021112330117. The reversal of 102021112330013 is 310033211120201.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 102021112330013 - 2³⁰ = 102020038588189 is a prime.

It is a super-2 number, since 2×102021112330013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021112330913) 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, 389393558381 + ... + 389393558642.

It is an arithmetic number, because the mean of its divisors is an integer number (25699974861792).

Almost surely, 2^{102021112330013} is an apocalyptic number.

It is an amenable number.

102021112330013 is a deficient number, since it is larger than the sum of its proper divisors (778787117155).

102021112330013 is an equidigital number, since it uses as much as digits as its factorization.

102021112330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778787117154.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 102021112330013 its reverse (310033211120201), we get a palindrome (412054323450214).

The spelling of 102021112330013 in words is "one hundred two trillion, twenty-one billion, one hundred twelve million, three hundred thirty thousand, thirteen".