12133111103 has 4 divisors (see below), whose sum is σ = 12200145048. Its totient is φ = 12066077160.

The previous prime is 12133111069. The next prime is 12133111141. The reversal of 12133111103 is 30111133121.

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

It is a cyclic number.

It is not a de Polignac number, because 12133111103 - 2¹⁴ = 12133094719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133111163) 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, 33516701 + ... + 33517062.

It is an arithmetic number, because the mean of its divisors is an integer number (3050036262).

Almost surely, 2^12133111103 is an apocalyptic number.

12133111103 is a deficient number, since it is larger than the sum of its proper divisors (67033945).

12133111103 is an equidigital number, since it uses as much as digits as its factorization.

12133111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67033944.

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

Adding to 12133111103 its reverse (30111133121), we get a palindrome (42244244224).

The spelling of 12133111103 in words is "twelve billion, one hundred thirty-three million, one hundred eleven thousand, one hundred three".