3102113013021 has 24 divisors (see below), whose sum is σ = 5100707566656. Its totient is φ = 1798326383040.

The previous prime is 3102113013019. The next prime is 3102113013049. The reversal of 3102113013021 is 1203103112013.

3102113013021 is a `hidden beast` number, since 310 + 2 + 1 + 1 + 301 + 30 + 21 = 666.

It is not a de Polignac number, because 3102113013021 - 2¹ = 3102113013019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3102113012985 and 3102113013003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102113013061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 681181960 + ... + 681186513.

It is an arithmetic number, because the mean of its divisors is an integer number (212529481944).

Almost surely, 2^{3102113013021} is an apocalyptic number.

It is an amenable number.

3102113013021 is a deficient number, since it is larger than the sum of its proper divisors (1998594553635).

3102113013021 is a wasteful number, since it uses less digits than its factorization.

3102113013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362368513 (or 1362368510 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 3102113013021 its reverse (1203103112013), we get a palindrome (4305216125034).

The spelling of 3102113013021 in words is "three trillion, one hundred two billion, one hundred thirteen million, thirteen thousand, twenty-one".