111103113 has 16 divisors (see below), whose sum is σ = 163178496. Its totient is φ = 66679440.

The previous prime is 111103079. The next prime is 111103123. The reversal of 111103113 is 311301111.

It is not a de Polignac number, because 111103113 - 2¹⁷ = 110972041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111103123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12945 + ... + 19742.

It is an arithmetic number, because the mean of its divisors is an integer number (10198656).

Almost surely, 2^111103113 is an apocalyptic number.

It is an amenable number.

111103113 is a deficient number, since it is larger than the sum of its proper divisors (52075383).

111103113 is a wasteful number, since it uses less digits than its factorization.

111103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32804.

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

The square root of 111103113 is about 10540.5461433457. The cubic root of 111103113 is about 480.7383212200.

Adding to 111103113 its reverse (311301111), we get a palindrome (422404224).

The spelling of 111103113 in words is "one hundred eleven million, one hundred three thousand, one hundred thirteen".