1113112103 has 4 divisors (see below), whose sum is σ = 1128360288. Its totient is φ = 1097863920.

The previous prime is 1113112073. The next prime is 1113112123. The reversal of 1113112103 is 3012113111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113112103 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 (1113112123) 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, 7623983 + ... + 7624128.

It is an arithmetic number, because the mean of its divisors is an integer number (282090072).

Almost surely, 2^1113112103 is an apocalyptic number.

1113112103 is a deficient number, since it is larger than the sum of its proper divisors (15248185).

1113112103 is an equidigital number, since it uses as much as digits as its factorization.

1113112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15248184.

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

The square root of 1113112103 is about 33363.3347104273. The cubic root of 1113112103 is about 1036.3655504906.

Adding to 1113112103 its reverse (3012113111), we get a palindrome (4125225214).

The spelling of 1113112103 in words is "one billion, one hundred thirteen million, one hundred twelve thousand, one hundred three".