111112001120111 has 4 divisors (see below), whose sum is σ = 111112419818832. Its totient is φ = 111111582421392.

The previous prime is 111112001120089. The next prime is 111112001120149. The reversal of 111112001120111 is 111021100211111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111112001120111 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 (111112001120611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208951046 + ... + 209482131.

It is an arithmetic number, because the mean of its divisors is an integer number (27778104954708).

Almost surely, 2^{111112001120111} is an apocalyptic number.

111112001120111 is a deficient number, since it is larger than the sum of its proper divisors (418698721).

111112001120111 is an equidigital number, since it uses as much as digits as its factorization.

111112001120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418698720.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 111112001120111 its reverse (111021100211111), we get a palindrome (222133101331222).

The spelling of 111112001120111 in words is "one hundred eleven trillion, one hundred twelve billion, one million, one hundred twenty thousand, one hundred eleven".