2021322123320 has 32 divisors (see below), whose sum is σ = 4653741636720. Its totient is φ = 789725852160.

The previous prime is 2021322123287. The next prime is 2021322123389. The reversal of 2021322123320 is 233212231202.

It is a congruent number.

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, 587591921 + ... + 587595360.

Almost surely, 2^{2021322123320} is an apocalyptic number.

2021322123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021322123320 is an abundant number, since it is smaller than the sum of its proper divisors (2632419513400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021322123320 is a wasteful number, since it uses less digits than its factorization.

2021322123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175187335 (or 1175187331 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2021322123320 its reverse (233212231202), we get a palindrome (2254534354522).

The spelling of 2021322123320 in words is "two trillion, twenty-one billion, three hundred twenty-two million, one hundred twenty-three thousand, three hundred twenty".