1112112133 has 4 divisors (see below), whose sum is σ = 1213213248. Its totient is φ = 1011011020.

The previous prime is 1112112107. The next prime is 1112112179. The reversal of 1112112133 is 3312112111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1112112133 - 2⁵ = 1112112101 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 (1112112233) 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, 50550541 + ... + 50550562.

It is an arithmetic number, because the mean of its divisors is an integer number (303303312).

Almost surely, 2^1112112133 is an apocalyptic number.

It is an amenable number.

1112112133 is a deficient number, since it is larger than the sum of its proper divisors (101101115).

1112112133 is a wasteful number, since it uses less digits than its factorization.

1112112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101101114.

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

The square root of 1112112133 is about 33348.3452812879. The cubic root of 1112112133 is about 1036.0551160657.

Adding to 1112112133 its reverse (3312112111), we get a palindrome (4424224244).

The spelling of 1112112133 in words is "one billion, one hundred twelve million, one hundred twelve thousand, one hundred thirty-three".