102313332010021 has 4 divisors (see below), whose sum is σ = 111614544010944. Its totient is φ = 93012120009100.

The previous prime is 102313332009997. The next prime is 102313332010051. The reversal of 102313332010021 is 120010233313201.

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 102313332010021 - 2³⁹ = 101763576196133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102313332009974 and 102313332010001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102313332010051) 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, 4650606000445 + ... + 4650606000466.

It is an arithmetic number, because the mean of its divisors is an integer number (27903636002736).

Almost surely, 2^{102313332010021} is an apocalyptic number.

102313332010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102313332010021 is a deficient number, since it is larger than the sum of its proper divisors (9301212000923).

102313332010021 is an equidigital number, since it uses as much as digits as its factorization.

102313332010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301212000922.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 102313332010021 its reverse (120010233313201), we get a palindrome (222323565323222).

The spelling of 102313332010021 in words is "one hundred two trillion, three hundred thirteen billion, three hundred thirty-two million, ten thousand, twenty-one".