13221124311 has 8 divisors (see below), whose sum is σ = 18196816384. Its totient is φ = 8529757560.

The previous prime is 13221124289. The next prime is 13221124313. The reversal of 13221124311 is 11342112231.

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

It is not a de Polignac number, because 13221124311 - 2²⁹ = 12684253399 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 (13221124313) 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, 71081221 + ... + 71081406.

It is an arithmetic number, because the mean of its divisors is an integer number (2274602048).

Almost surely, 2^13221124311 is an apocalyptic number.

13221124311 is a deficient number, since it is larger than the sum of its proper divisors (4975692073).

13221124311 is a wasteful number, since it uses less digits than its factorization.

13221124311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142162661.

The product of its digits is 288, while the sum is 21.

Adding to 13221124311 its reverse (11342112231), we get a palindrome (24563236542).

The spelling of 13221124311 in words is "thirteen billion, two hundred twenty-one million, one hundred twenty-four thousand, three hundred eleven".