13313232322221 has 8 divisors (see below), whose sum is σ = 19116436155040. Its totient is φ = 8192758352112.

The previous prime is 13313232322219. The next prime is 13313232322231. The reversal of 13313232322221 is 12222323231331.

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

It is not a de Polignac number, because 13313232322221 - 2¹ = 13313232322219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313232322231) 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, 170682465631 + ... + 170682465708.

It is an arithmetic number, because the mean of its divisors is an integer number (2389554519380).

Almost surely, 2^{13313232322221} is an apocalyptic number.

It is an amenable number.

13313232322221 is a deficient number, since it is larger than the sum of its proper divisors (5803203832819).

13313232322221 is a wasteful number, since it uses less digits than its factorization.

13313232322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341364931355.

The product of its digits is 15552, while the sum is 30.

Adding to 13313232322221 its reverse (12222323231331), we get a palindrome (25535555553552).

The spelling of 13313232322221 in words is "thirteen trillion, three hundred thirteen billion, two hundred thirty-two million, three hundred twenty-two thousand, two hundred twenty-one".