12111031133 has 8 divisors (see below), whose sum is σ = 12640261248. Its totient is φ = 11582023024.

The previous prime is 12111031063. The next prime is 12111031139. The reversal of 12111031133 is 33113011121.

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 12111031133 - 2¹² = 12111027037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111031139) 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, 61235 + ... + 167247.

It is an arithmetic number, because the mean of its divisors is an integer number (1580032656).

Almost surely, 2^12111031133 is an apocalyptic number.

It is an amenable number.

12111031133 is a deficient number, since it is larger than the sum of its proper divisors (529230115).

12111031133 is a wasteful number, since it uses less digits than its factorization.

12111031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111003.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 12111031133 its reverse (33113011121), we get a palindrome (45224042254).

The spelling of 12111031133 in words is "twelve billion, one hundred eleven million, thirty-one thousand, one hundred thirty-three".