13133221113 has 4 divisors (see below), whose sum is σ = 17510961488. Its totient is φ = 8755480740.

The previous prime is 13133221093. The next prime is 13133221133. The reversal of 13133221113 is 31112233131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13133221093) and next prime (13133221133).

It is not a de Polignac number, because 13133221113 - 2¹² = 13133217017 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 13133221113.

It is not an unprimeable number, because it can be changed into a prime (13133221133) 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, 2188870183 + ... + 2188870188.

It is an arithmetic number, because the mean of its divisors is an integer number (4377740372).

Almost surely, 2^13133221113 is an apocalyptic number.

It is an amenable number.

13133221113 is a deficient number, since it is larger than the sum of its proper divisors (4377740375).

13133221113 is an equidigital number, since it uses as much as digits as its factorization.

13133221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377740374.

The product of its digits is 324, while the sum is 21.

Adding to 13133221113 its reverse (31112233131), we get a palindrome (44245454244).

The spelling of 13133221113 in words is "thirteen billion, one hundred thirty-three million, two hundred twenty-one thousand, one hundred thirteen".