12111122133 has 48 divisors (see below), whose sum is σ = 20792790720. Its totient is φ = 6908256000.

The previous prime is 12111122123. The next prime is 12111122141. The reversal of 12111122133 is 33122111121.

12111122133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12111122133 - 2⁴ = 12111122117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111122123) 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 47 ways as a sum of consecutive naturals, for example, 15283 + ... + 156383.

It is an arithmetic number, because the mean of its divisors is an integer number (433183140).

Almost surely, 2^12111122133 is an apocalyptic number.

It is an amenable number.

12111122133 is a deficient number, since it is larger than the sum of its proper divisors (8681668587).

12111122133 is a wasteful number, since it uses less digits than its factorization.

12111122133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141155 (or 141132 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

Adding to 12111122133 its reverse (33122111121), we get a palindrome (45233233254).

The spelling of 12111122133 in words is "twelve billion, one hundred eleven million, one hundred twenty-two thousand, one hundred thirty-three".