12031101020021 has 16 divisors (see below), whose sum is σ = 13017499032000. Its totient is φ = 11080537699968.

The previous prime is 12031101020009. The next prime is 12031101020027. The reversal of 12031101020021 is 12002010113021.

12031101020021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12031101020021 - 2²² = 12031096825717 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12031101019978 and 12031101020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031101020027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6333971 + ... + 8011328.

It is an arithmetic number, because the mean of its divisors is an integer number (813593689500).

Almost surely, 2^{12031101020021} is an apocalyptic number.

It is an amenable number.

12031101020021 is a deficient number, since it is larger than the sum of its proper divisors (986398011979).

12031101020021 is a wasteful number, since it uses less digits than its factorization.

12031101020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14346548.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12031101020021 its reverse (12002010113021), we get a palindrome (24033111133042).

The spelling of 12031101020021 in words is "twelve trillion, thirty-one billion, one hundred one million, twenty thousand, twenty-one".