11331121311131 has 8 divisors (see below), whose sum is σ = 11996441184720. Its totient is φ = 10672695944352.

The previous prime is 11331121311101. The next prime is 11331121311179. The reversal of 11331121311131 is 13111312113311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11331121311131 - 2³⁰ = 11330047569307 is a prime.

It is a super-2 number, since 2×11331121311131² (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 = 11331121311097 and 11331121311106.

It is not an unprimeable number, because it can be changed into a prime (11331121311101) 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, 1723623320 + ... + 1723629893.

It is an arithmetic number, because the mean of its divisors is an integer number (1499555148090).

Almost surely, 2^{11331121311131} is an apocalyptic number.

11331121311131 is a deficient number, since it is larger than the sum of its proper divisors (665319873589).

11331121311131 is a wasteful number, since it uses less digits than its factorization.

11331121311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447253405.

The product of its digits is 162, while the sum is 23.

Adding to 11331121311131 its reverse (13111312113311), we get a palindrome (24442433424442).

The spelling of 11331121311131 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-one million, three hundred eleven thousand, one hundred thirty-one".