1112091103 has 16 divisors (see below), whose sum is σ = 1155974976. Its totient is φ = 1069286400.

The previous prime is 1112091083. The next prime is 1112091119. The reversal of 1112091103 is 3011902111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112091103 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 (1112091163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550351 + ... + 552367.

It is an arithmetic number, because the mean of its divisors is an integer number (72248436).

Almost surely, 2^1112091103 is an apocalyptic number.

1112091103 is a deficient number, since it is larger than the sum of its proper divisors (43883873).

1112091103 is a wasteful number, since it uses less digits than its factorization.

1112091103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1112091103 is about 33348.0299717989. The cubic root of 1112091103 is about 1036.0485854363.

Adding to 1112091103 its reverse (3011902111), we get a palindrome (4123993214).

The spelling of 1112091103 in words is "one billion, one hundred twelve million, ninety-one thousand, one hundred three".