3123100113021 has 48 divisors (see below), whose sum is σ = 5427402448000. Its totient is φ = 1690557018624.

The previous prime is 3123100112989. The next prime is 3123100113053. The reversal of 3123100113021 is 1203110013213.

3123100113021 is a `hidden beast` number, since 312 + 310 + 0 + 11 + 30 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (3123100112989) and next prime (3123100113053).

It is not a de Polignac number, because 3123100113021 - 2⁵ = 3123100112989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123100112985 and 3123100113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123100113061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14806305 + ... + 15015753.

Almost surely, 2^{3123100113021} is an apocalyptic number.

It is an amenable number.

3123100113021 is a deficient number, since it is larger than the sum of its proper divisors (2304302334979).

3123100113021 is a wasteful number, since it uses less digits than its factorization.

3123100113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221938 (or 221935 counting only the distinct ones).

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

Adding to 3123100113021 its reverse (1203110013213), we get a palindrome (4326210126234).

The spelling of 3123100113021 in words is "three trillion, one hundred twenty-three billion, one hundred million, one hundred thirteen thousand, twenty-one".