111103112 has 32 divisors (see below), whose sum is σ = 217969920. Its totient is φ = 53036160.

The previous prime is 111103079. The next prime is 111103123. The reversal of 111103112 is 211301111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111103093 and 111103102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11813 + ... + 19019.

It is an arithmetic number, because the mean of its divisors is an integer number (6811560).

Almost surely, 2^111103112 is an apocalyptic number.

It is an amenable number.

111103112 is a deficient number, since it is larger than the sum of its proper divisors (106866808).

111103112 is a wasteful number, since it uses less digits than its factorization.

111103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7301 (or 7297 counting only the distinct ones).

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

The square root of 111103112 is about 10540.5460959098. The cubic root of 111103112 is about 480.7383197777.

Adding to 111103112 its reverse (211301111), we get a palindrome (322404223).

The spelling of 111103112 in words is "one hundred eleven million, one hundred three thousand, one hundred twelve".