2321332013021 has 32 divisors (see below), whose sum is σ = 2812256655360. Its totient is φ = 1873034767296.

The previous prime is 2321332012973. The next prime is 2321332013023. The reversal of 2321332013021 is 1203102331232.

It is not a de Polignac number, because 2321332013021 - 2¹⁴ = 2321331996637 is a prime.

It is a super-2 number, since 2×2321332013021² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321332013023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11430650 + ... + 11631956.

It is an arithmetic number, because the mean of its divisors is an integer number (87883020480).

Almost surely, 2^{2321332013021} is an apocalyptic number.

It is an amenable number.

2321332013021 is a deficient number, since it is larger than the sum of its proper divisors (490924642339).

2321332013021 is a wasteful number, since it uses less digits than its factorization.

2321332013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202473.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2321332013021 its reverse (1203102331232), we get a palindrome (3524434344253).

The spelling of 2321332013021 in words is "two trillion, three hundred twenty-one billion, three hundred thirty-two million, thirteen thousand, twenty-one".