111112103 has 8 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 106117528.

The previous prime is 111112087. The next prime is 111112121. The reversal of 111112103 is 301211111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111112103 - 2⁴ = 111112087 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 (111112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13178 + ... + 19896.

It is an arithmetic number, because the mean of its divisors is an integer number (14515200).

Almost surely, 2^111112103 is an apocalyptic number.

111112103 is a deficient number, since it is larger than the sum of its proper divisors (5009497).

111112103 is an equidigital number, since it uses as much as digits as its factorization.

111112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7461.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 111112103 is about 10540.9725832107. The cubic root of 111112103 is about 480.7512873162.

Adding to 111112103 its reverse (301211111), we get a palindrome (412323214).

The spelling of 111112103 in words is "one hundred eleven million, one hundred twelve thousand, one hundred three".