13221233311 has 24 divisors (see below), whose sum is σ = 15661386272. Its totient is φ = 11086891200.

The previous prime is 13221233303. The next prime is 13221233321. The reversal of 13221233311 is 11333212231.

It is not a de Polignac number, because 13221233311 - 2³ = 13221233303 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 (13221233321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3633385 + ... + 3637021.

Almost surely, 2^13221233311 is an apocalyptic number.

13221233311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13221233311 is a deficient number, since it is larger than the sum of its proper divisors (2440152961).

13221233311 is a wasteful number, since it uses less digits than its factorization.

13221233311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983 (or 5972 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 13221233311 its reverse (11333212231), we get a palindrome (24554445542).

The spelling of 13221233311 in words is "thirteen billion, two hundred twenty-one million, two hundred thirty-three thousand, three hundred eleven".