2110312011021 has 4 divisors (see below), whose sum is σ = 2813749348032. Its totient is φ = 1406874674012.

The previous prime is 2110312010987. The next prime is 2110312011043. The reversal of 2110312011021 is 1201102130112.

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 2110312011021 - 2¹³ = 2110312002829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110312011091) 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, 351718668501 + ... + 351718668506.

It is an arithmetic number, because the mean of its divisors is an integer number (703437337008).

Almost surely, 2^{2110312011021} is an apocalyptic number.

It is an amenable number.

2110312011021 is a deficient number, since it is larger than the sum of its proper divisors (703437337011).

2110312011021 is an equidigital number, since it uses as much as digits as its factorization.

2110312011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703437337010.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2110312011021 its reverse (1201102130112), we get a palindrome (3311414141133).

The spelling of 2110312011021 in words is "two trillion, one hundred ten billion, three hundred twelve million, eleven thousand, twenty-one".