13221334311 has 4 divisors (see below), whose sum is σ = 17628445752. Its totient is φ = 8814222872.

The previous prime is 13221334309. The next prime is 13221334331. The reversal of 13221334311 is 11343312231.

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 13221334311 - 2¹ = 13221334309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221334331) 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, 2203555716 + ... + 2203555721.

It is an arithmetic number, because the mean of its divisors is an integer number (4407111438).

Almost surely, 2^13221334311 is an apocalyptic number.

13221334311 is a deficient number, since it is larger than the sum of its proper divisors (4407111441).

13221334311 is an equidigital number, since it uses as much as digits as its factorization.

13221334311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407111440.

The product of its digits is 1296, while the sum is 24.

Adding to 13221334311 its reverse (11343312231), we get a palindrome (24564646542).

The spelling of 13221334311 in words is "thirteen billion, two hundred twenty-one million, three hundred thirty-four thousand, three hundred eleven".