2133111103 has 4 divisors (see below), whose sum is σ = 2225855088. Its totient is φ = 2040367120.

The previous prime is 2133111053. The next prime is 2133111119. The reversal of 2133111103 is 3011113312.

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 2133111103 - 2²⁵ = 2099556671 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 (2133111203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46371958 + ... + 46372003.

It is an arithmetic number, because the mean of its divisors is an integer number (556463772).

Almost surely, 2^2133111103 is an apocalyptic number.

2133111103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2133111103 is a deficient number, since it is larger than the sum of its proper divisors (92743985).

2133111103 is an equidigital number, since it uses as much as digits as its factorization.

2133111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92743984.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2133111103 is about 46185.6157585887. The cubic root of 2133111103 is about 1287.2744777078.

Adding to 2133111103 its reverse (3011113312), we get a palindrome (5144224415).

The spelling of 2133111103 in words is "two billion, one hundred thirty-three million, one hundred eleven thousand, one hundred three".