2111112133 has 8 divisors (see below), whose sum is σ = 2326378208. Its totient is φ = 1903399344.

The previous prime is 2111112127. The next prime is 2111112149. The reversal of 2111112133 is 3312111112.

It is a happy number.

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 2111112133 - 2⁹ = 2111111621 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 (2111112433) 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 7 ways as a sum of consecutive naturals, for example, 1887735 + ... + 1888852.

It is an arithmetic number, because the mean of its divisors is an integer number (290797276).

Almost surely, 2^2111112133 is an apocalyptic number.

It is an amenable number.

2111112133 is a deficient number, since it is larger than the sum of its proper divisors (215266075).

2111112133 is a wasteful number, since it uses less digits than its factorization.

2111112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776643.

The product of its digits is 36, while the sum is 16.

The square root of 2111112133 is about 45946.8402939745. The cubic root of 2111112133 is about 1282.8339174119.

Adding to 2111112133 its reverse (3312111112), we get a palindrome (5423223245).

It can be divided in two parts, 2111 and 112133, that added together give a square (114244 = 338²).

The spelling of 2111112133 in words is "two billion, one hundred eleven million, one hundred twelve thousand, one hundred thirty-three".