13323221011 has 4 divisors (see below), whose sum is σ = 14106939912. Its totient is φ = 12539502112.

The previous prime is 13323220873. The next prime is 13323221027. The reversal of 13323221011 is 11012232331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13323221011 - 2⁹ = 13323220499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13323221011.

It is not an unprimeable number, because it can be changed into a prime (13323221111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391859425 + ... + 391859458.

It is an arithmetic number, because the mean of its divisors is an integer number (3526734978).

Almost surely, 2^13323221011 is an apocalyptic number.

13323221011 is a deficient number, since it is larger than the sum of its proper divisors (783718901).

13323221011 is an equidigital number, since it uses as much as digits as its factorization.

13323221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783718900.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13323221011 its reverse (11012232331), we get a palindrome (24335453342).

The spelling of 13323221011 in words is "thirteen billion, three hundred twenty-three million, two hundred twenty-one thousand, eleven".