13322001021 has 8 divisors (see below), whose sum is σ = 20300192064. Its totient is φ = 7612572000.

The previous prime is 13322001013. The next prime is 13322001041. The reversal of 13322001021 is 12010022331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13322001021 - 2³ = 13322001013 is a prime.

It is a super-2 number, since 2×13322001021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13322001041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317190480 + ... + 317190521.

It is an arithmetic number, because the mean of its divisors is an integer number (2537524008).

Almost surely, 2^13322001021 is an apocalyptic number.

It is an amenable number.

13322001021 is a deficient number, since it is larger than the sum of its proper divisors (6978191043).

13322001021 is an equidigital number, since it uses as much as digits as its factorization.

13322001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634381011.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13322001021 its reverse (12010022331), we get a palindrome (25332023352).

The spelling of 13322001021 in words is "thirteen billion, three hundred twenty-two million, one thousand, twenty-one".