201322020321 has 20 divisors (see below), whose sum is σ = 301883833152. Its totient is φ = 133704344088.

The previous prime is 201322020283. The next prime is 201322020349. The reversal of 201322020321 is 123020223102.

201322020321 is a `hidden beast` number, since 2 + 0 + 1 + 322 + 0 + 20 + 321 = 666.

It is not a de Polignac number, because 201322020321 - 2⁹ = 201322019809 is a prime.

It is a super-2 number, since 2×201322020321² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201322020294 and 201322020303.

It is not an unprimeable number, because it can be changed into a prime (201322020721) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4703901 + ... + 4746506.

Almost surely, 2^201322020321 is an apocalyptic number.

It is an amenable number.

201322020321 is a deficient number, since it is larger than the sum of its proper divisors (100561812831).

201322020321 is an equidigital number, since it uses as much as digits as its factorization.

201322020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9450682 (or 9450673 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201322020321 its reverse (123020223102), we get a palindrome (324342243423).

The spelling of 201322020321 in words is "two hundred one billion, three hundred twenty-two million, twenty thousand, three hundred twenty-one".