1112133133 has 4 divisors (see below), whose sum is σ = 1115686588. Its totient is φ = 1108579680.

The previous prime is 1112133131. The next prime is 1112133157. The reversal of 1112133133 is 3313312111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3313312111 = 211 ⋅15702901.

It can be written as a sum of positive squares in 2 ways, for example, as 511981129 + 600152004 = 22627^2 + 24498^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112133133 - 2¹ = 1112133131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112133133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112133131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776258 + ... + 1776883.

It is an arithmetic number, because the mean of its divisors is an integer number (278921647).

Almost surely, 2^1112133133 is an apocalyptic number.

It is an amenable number.

1112133133 is a deficient number, since it is larger than the sum of its proper divisors (3553455).

1112133133 is an equidigital number, since it uses as much as digits as its factorization.

1112133133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553454.

The product of its digits is 162, while the sum is 19.

The square root of 1112133133 is about 33348.6601380025. The cubic root of 1112133133 is about 1036.0616372967.

Adding to 1112133133 its reverse (3313312111), we get a palindrome (4425445244).

The spelling of 1112133133 in words is "one billion, one hundred twelve million, one hundred thirty-three thousand, one hundred thirty-three".