11331131033121 has 16 divisors (see below), whose sum is σ = 15196891803648. Its totient is φ = 7509809538000.

The previous prime is 11331131033119. The next prime is 11331131033137. The reversal of 11331131033121 is 12133013113311.

It is not a de Polignac number, because 11331131033121 - 2¹ = 11331131033119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11331131033091 and 11331131033100.

It is not an unprimeable number, because it can be changed into a prime (11331131033141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9529105 + ... + 10652046.

It is an arithmetic number, because the mean of its divisors is an integer number (949805737728).

Almost surely, 2^{11331131033121} is an apocalyptic number.

It is an amenable number.

11331131033121 is a deficient number, since it is larger than the sum of its proper divisors (3865760770527).

11331131033121 is a wasteful number, since it uses less digits than its factorization.

11331131033121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20182252.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 11331131033121 its reverse (12133013113311), we get a palindrome (23464144146432).

The spelling of 11331131033121 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, thirty-three thousand, one hundred twenty-one".