2021044332113 has 4 divisors (see below), whose sum is σ = 2046627171840. Its totient is φ = 1995461492388.

The previous prime is 2021044332091. The next prime is 2021044332157. The reversal of 2021044332113 is 3112334401202.

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 2021044332113 - 2⁶ = 2021044332049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021034332113) 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, 12791419745 + ... + 12791419902.

It is an arithmetic number, because the mean of its divisors is an integer number (511656792960).

Almost surely, 2^{2021044332113} is an apocalyptic number.

It is an amenable number.

2021044332113 is a deficient number, since it is larger than the sum of its proper divisors (25582839727).

2021044332113 is an equidigital number, since it uses as much as digits as its factorization.

2021044332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25582839726.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2021044332113 its reverse (3112334401202), we get a palindrome (5133378733315).

The spelling of 2021044332113 in words is "two trillion, twenty-one billion, forty-four million, three hundred thirty-two thousand, one hundred thirteen".