2021021312332 has 24 divisors (see below), whose sum is σ = 3858462674640. Its totient is φ = 918610512960.

The previous prime is 2021021312327. The next prime is 2021021312351. The reversal of 2021021312332 is 2332131201202.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279094 + ... + 2029762.

It is an arithmetic number, because the mean of its divisors is an integer number (160769278110).

Almost surely, 2^{2021021312332} is an apocalyptic number.

2021021312332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2021021312332 is a deficient number, since it is larger than the sum of its proper divisors (1837441362308).

2021021312332 is a wasteful number, since it uses less digits than its factorization.

2021021312332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776921 (or 1776919 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2021021312332 its reverse (2332131201202), we get a palindrome (4353152513534).

The spelling of 2021021312332 in words is "two trillion, twenty-one billion, twenty-one million, three hundred twelve thousand, three hundred thirty-two".