3121414200021 has 24 divisors (see below), whose sum is σ = 4506794090496. Its totient is φ = 1920811925760.

The previous prime is 3121414199971. The next prime is 3121414200031. The reversal of 3121414200021 is 1200024141213.

It is not a de Polignac number, because 3121414200021 - 2³⁰ = 3120340458197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121414200031) 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, 21546796 + ... + 21691178.

It is an arithmetic number, because the mean of its divisors is an integer number (187783087104).

Almost surely, 2^{3121414200021} is an apocalyptic number.

It is an amenable number.

3121414200021 is a deficient number, since it is larger than the sum of its proper divisors (1385379890475).

3121414200021 is a wasteful number, since it uses less digits than its factorization.

3121414200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187053 (or 187040 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 3121414200021 its reverse (1200024141213), we get a palindrome (4321438341234).

The spelling of 3121414200021 in words is "three trillion, one hundred twenty-one billion, four hundred fourteen million, two hundred thousand, twenty-one".