111023313103 has 4 divisors (see below), whose sum is σ = 114851703240. Its totient is φ = 107194922968.

The previous prime is 111023313077. The next prime is 111023313151. The reversal of 111023313103 is 301313320111.

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

It is a cyclic number.

It is not a de Polignac number, because 111023313103 - 2¹⁷ = 111023182031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111023313503) 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, 1914195025 + ... + 1914195082.

It is an arithmetic number, because the mean of its divisors is an integer number (28712925810).

Almost surely, 2^111023313103 is an apocalyptic number.

111023313103 is a deficient number, since it is larger than the sum of its proper divisors (3828390137).

111023313103 is an equidigital number, since it uses as much as digits as its factorization.

111023313103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828390136.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 111023313103 its reverse (301313320111), we get a palindrome (412336633214).

The spelling of 111023313103 in words is "one hundred eleven billion, twenty-three million, three hundred thirteen thousand, one hundred three".