13323221323321 has 32 divisors (see below), whose sum is σ = 16495934273280. Its totient is φ = 10478467190016.

The previous prime is 13323221323319. The next prime is 13323221323331. The reversal of 13323221323321 is 12332312232331.

It is not a de Polignac number, because 13323221323321 - 2¹ = 13323221323319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13323221323331) 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, 19545970 + ... + 20216116.

It is an arithmetic number, because the mean of its divisors is an integer number (515497946040).

Almost surely, 2^{13323221323321} is an apocalyptic number.

It is an amenable number.

13323221323321 is a deficient number, since it is larger than the sum of its proper divisors (3172712949959).

13323221323321 is a wasteful number, since it uses less digits than its factorization.

13323221323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671473.

The product of its digits is 23328, while the sum is 31.

Adding to 13323221323321 its reverse (12332312232331), we get a palindrome (25655533555652).

The spelling of 13323221323321 in words is "thirteen trillion, three hundred twenty-three billion, two hundred twenty-one million, three hundred twenty-three thousand, three hundred twenty-one".