111100110100111 has 8 divisors (see below), whose sum is σ = 121201149366864. Its totient is φ = 100999242376320.

The previous prime is 111100110100073. The next prime is 111100110100141. The reversal of 111100110100111 is 111001011001111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111100110100111 - 2³⁹ = 110550354286223 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 (111100110100141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41529690 + ... + 44123863.

It is an arithmetic number, because the mean of its divisors is an integer number (15150143670858).

Almost surely, 2^{111100110100111} is an apocalyptic number.

111100110100111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111100110100111 is a deficient number, since it is larger than the sum of its proper divisors (10101039266753).

111100110100111 is a wasteful number, since it uses less digits than its factorization.

111100110100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85771481.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 111100110100111 its reverse (111001011001111), we get a palindrome (222101121101222).

The spelling of 111100110100111 in words is "one hundred eleven trillion, one hundred billion, one hundred ten million, one hundred thousand, one hundred eleven".