11113103 has 4 divisors (see below), whose sum is σ = 11349600. Its totient is φ = 10876608.

The previous prime is 11113099. The next prime is 11113111. The reversal of 11113103 is 30131111.

It is a happy number.

11113103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30131111 = 113 ⋅266647.

It is a cyclic number.

It is not a de Polignac number, because 11113103 - 2² = 11113099 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 (11113153) 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, 118178 + ... + 118271.

It is an arithmetic number, because the mean of its divisors is an integer number (2837400).

Almost surely, 2^11113103 is an apocalyptic number.

11113103 is a deficient number, since it is larger than the sum of its proper divisors (236497).

11113103 is an equidigital number, since it uses as much as digits as its factorization.

11113103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236496.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 11113103 is about 3333.6321032771. The cubic root of 11113103 is about 223.1576502579.

Adding to 11113103 its reverse (30131111), we get a palindrome (41244214).

The spelling of 11113103 in words is "eleven million, one hundred thirteen thousand, one hundred three".