111113103 has 4 divisors (see below), whose sum is σ = 148150808. Its totient is φ = 74075400.

The previous prime is 111113099. The next prime is 111113111. The reversal of 111113103 is 301311111.

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

It is not a de Polignac number, because 111113103 - 2² = 111113099 is a prime.

It is a super-2 number, since 2×111113103² = 24692243316577218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111113113) 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, 18518848 + ... + 18518853.

It is an arithmetic number, because the mean of its divisors is an integer number (37037702).

Almost surely, 2^111113103 is an apocalyptic number.

111113103 is a deficient number, since it is larger than the sum of its proper divisors (37037705).

111113103 is an equidigital number, since it uses as much as digits as its factorization.

111113103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37037704.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 111113103 is about 10541.0200170572. The cubic root of 111113103 is about 480.7527295529.

Adding to 111113103 its reverse (301311111), we get a palindrome (412424214).

The spelling of 111113103 in words is "one hundred eleven million, one hundred thirteen thousand, one hundred three".