2021312010223 has 32 divisors (see below), whose sum is σ = 2318803568640. Its totient is φ = 1745100288000.

The previous prime is 2021312010209. The next prime is 2021312010227. The reversal of 2021312010223 is 3220102131202.

It is a cyclic number.

It is not a de Polignac number, because 2021312010223 - 2²⁹ = 2020775139311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021312010223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021312010227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11521603 + ... + 11695723.

It is an arithmetic number, because the mean of its divisors is an integer number (72462611520).

Almost surely, 2^{2021312010223} is an apocalyptic number.

2021312010223 is a deficient number, since it is larger than the sum of its proper divisors (297491558417).

2021312010223 is a wasteful number, since it uses less digits than its factorization.

2021312010223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174799.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2021312010223 its reverse (3220102131202), we get a palindrome (5241414141425).

The spelling of 2021312010223 in words is "two trillion, twenty-one billion, three hundred twelve million, ten thousand, two hundred twenty-three".