12011133110331 has 4 divisors (see below), whose sum is σ = 16014844147112. Its totient is φ = 8007422073552.

The previous prime is 12011133110309. The next prime is 12011133110407. The reversal of 12011133110331 is 13301133111021.

12011133110331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12011133110331 - 2²⁹ = 12010596239419 is a prime.

It is a super-2 number, since 2×12011133110331² (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 = 12011133110298 and 12011133110307.

It is not an unprimeable number, because it can be changed into a prime (12011133110231) 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, 2001855518386 + ... + 2001855518391.

It is an arithmetic number, because the mean of its divisors is an integer number (4003711036778).

Almost surely, 2^{12011133110331} is an apocalyptic number.

12011133110331 is a deficient number, since it is larger than the sum of its proper divisors (4003711036781).

12011133110331 is an equidigital number, since it uses as much as digits as its factorization.

12011133110331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003711036780.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 12011133110331 its reverse (13301133111021), we get a palindrome (25312266221352).

The spelling of 12011133110331 in words is "twelve trillion, eleven billion, one hundred thirty-three million, one hundred ten thousand, three hundred thirty-one".