111320003 has 4 divisors (see below), whose sum is σ = 111879600. Its totient is φ = 110760408.

The previous prime is 111319997. The next prime is 111320047. The reversal of 111320003 is 300023111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300023111 = 2749 ⋅109139.

It is a cyclic number.

It is not a de Polignac number, because 111320003 - 2⁴ = 111319987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111320093) 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, 279500 + ... + 279897.

It is an arithmetic number, because the mean of its divisors is an integer number (27969900).

Almost surely, 2^111320003 is an apocalyptic number.

111320003 is a deficient number, since it is larger than the sum of its proper divisors (559597).

111320003 is an equidigital number, since it uses as much as digits as its factorization.

111320003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559596.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 111320003 is about 10550.8294934569. The cubic root of 111320003 is about 481.0509424018.

Adding to 111320003 its reverse (300023111), we get a palindrome (411343114).

The spelling of 111320003 in words is "one hundred eleven million, three hundred twenty thousand, three".