111411103 has 12 divisors (see below), whose sum is σ = 118970208. Its totient is φ = 104276480.

The previous prime is 111411101. The next prime is 111411109. The reversal of 111411103 is 301114111.

It is a happy number.

It is not a de Polignac number, because 111411103 - 2¹ = 111411101 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 (111411101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22623 + ... + 27103.

It is an arithmetic number, because the mean of its divisors is an integer number (9914184).

Almost surely, 2^111411103 is an apocalyptic number.

111411103 is a deficient number, since it is larger than the sum of its proper divisors (7559105).

111411103 is an equidigital number, since it uses as much as digits as its factorization.

111411103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574 (or 4551 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 111411103 is about 10555.1458066670. The cubic root of 111411103 is about 481.1821311387.

Adding to 111411103 its reverse (301114111), we get a palindrome (412525214).

The spelling of 111411103 in words is "one hundred eleven million, four hundred eleven thousand, one hundred three".