111404111 has 64 divisors (see below), whose sum is σ = 157925376. Its totient is φ = 76032000.

The previous prime is 111404107. The next prime is 111404113.

111404111 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 111404111 - 2² = 111404107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111404113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1102961 + ... + 1103061.

It is an arithmetic number, because the mean of its divisors is an integer number (2467584).

Almost surely, 2^111404111 is an apocalyptic number.

111404111 is a deficient number, since it is larger than the sum of its proper divisors (46521265).

111404111 is a wasteful number, since it uses less digits than its factorization.

111404111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 111404111 is about 10554.8145886131. The cubic root of 111404111 is about 481.1720648294.

It can be divided in two parts, 11140 and 4111, that added together give a palindrome (15251).

The spelling of 111404111 in words is "one hundred eleven million, four hundred four thousand, one hundred eleven".