111404106 has 64 divisors (see below), whose sum is σ = 284313600. Its totient is φ = 31978800.

The previous prime is 111404071. The next prime is 111404107. The reversal of 111404106 is 601404111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111404107) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6351 + ... + 16221.

It is an arithmetic number, because the mean of its divisors is an integer number (4442400).

Almost surely, 2^111404106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111404106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142156800).

111404106 is an abundant number, since it is smaller than the sum of its proper divisors (172909494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111404106 is a wasteful number, since it uses less digits than its factorization.

111404106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912 (or 9906 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 111404106 is about 10554.8143517544. The cubic root of 111404106 is about 481.1720576308.

Adding to 111404106 its reverse (601404111), we get a palindrome (712808217).

The spelling of 111404106 in words is "one hundred eleven million, four hundred four thousand, one hundred six".