11331321223113 has 64 divisors (see below), whose sum is σ = 17282561655040. Its totient is φ = 7332279667200.

The previous prime is 11331321223087. The next prime is 11331321223133. The reversal of 11331321223113 is 31132212313311.

11331321223113 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 1 + 321 + 22 + 311 + 3 = 666.

It is not a de Polignac number, because 11331321223113 - 2⁶ = 11331321223049 is a prime.

It is a super-2 number, since 2×11331321223113² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331321223133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1154955978 + ... + 1154965788.

It is an arithmetic number, because the mean of its divisors is an integer number (270040025860).

Almost surely, 2^{11331321223113} is an apocalyptic number.

It is an amenable number.

11331321223113 is a deficient number, since it is larger than the sum of its proper divisors (5951240431927).

11331321223113 is a wasteful number, since it uses less digits than its factorization.

11331321223113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12535 (or 12529 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 11331321223113 its reverse (31132212313311), we get a palindrome (42463533536424).

The spelling of 11331321223113 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-one million, two hundred twenty-three thousand, one hundred thirteen".