111113003 has 4 divisors (see below), whose sum is σ = 117649080. Its totient is φ = 104576928.

The previous prime is 111112987. The next prime is 111113011. The reversal of 111113003 is 300311111.

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: 300311111 = 4283 ⋅70117.

It is not a de Polignac number, because 111113003 - 2⁴ = 111112987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111113053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3268013 + ... + 3268046.

It is an arithmetic number, because the mean of its divisors is an integer number (29412270).

Almost surely, 2^111113003 is an apocalyptic number.

111113003 is a deficient number, since it is larger than the sum of its proper divisors (6536077).

111113003 is an equidigital number, since it uses as much as digits as its factorization.

111113003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536076.

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

The square root of 111113003 is about 10541.0152736821. The cubic root of 111113003 is about 480.7525853296.

Adding to 111113003 its reverse (300311111), we get a palindrome (411424114).

It can be divided in two parts, 11111 and 3003, that multiplied together give a palindrome (33366333).

The spelling of 111113003 in words is "one hundred eleven million, one hundred thirteen thousand, three".