11331321122131 has 4 divisors (see below), whose sum is σ = 11334286664064. Its totient is φ = 11328355580200.

The previous prime is 11331321122113. The next prime is 11331321122137. The reversal of 11331321122131 is 13122112313311.

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 11331321122131 - 2⁹ = 11331321121619 is a prime.

It is a super-2 number, since 2×11331321122131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331321122096 and 11331321122105.

It is not an unprimeable number, because it can be changed into a prime (11331321122137) 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, 1482765235 + ... + 1482772876.

It is an arithmetic number, because the mean of its divisors is an integer number (2833571666016).

Almost surely, 2^{11331321122131} is an apocalyptic number.

11331321122131 is a deficient number, since it is larger than the sum of its proper divisors (2965541933).

11331321122131 is an equidigital number, since it uses as much as digits as its factorization.

11331321122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965541932.

The product of its digits is 648, while the sum is 25.

Adding to 11331321122131 its reverse (13122112313311), we get a palindrome (24453433435442).

The spelling of 11331321122131 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-one million, one hundred twenty-two thousand, one hundred thirty-one".