1120111133 has 4 divisors (see below), whose sum is σ = 1120264860. Its totient is φ = 1119957408.

The previous prime is 1120111099. The next prime is 1120111193. The reversal of 1120111133 is 3311110211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3311110211 = 1361 ⋅2432851.

It can be written as a sum of positive squares in 2 ways, for example, as 875094724 + 245016409 = 29582^2 + 15653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120111133 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 (1120111193) 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, 65360 + ... + 80697.

It is an arithmetic number, because the mean of its divisors is an integer number (280066215).

Almost surely, 2^1120111133 is an apocalyptic number.

It is an amenable number.

1120111133 is a deficient number, since it is larger than the sum of its proper divisors (153727).

1120111133 is an equidigital number, since it uses as much as digits as its factorization.

1120111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153726.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1120111133 is about 33468.0613869402. The cubic root of 1120111133 is about 1038.5331678918.

Adding to 1120111133 its reverse (3311110211), we get a palindrome (4431221344).

The spelling of 1120111133 in words is "one billion, one hundred twenty million, one hundred eleven thousand, one hundred thirty-three".