111112110211 has 4 divisors (see below), whose sum is σ = 117648116712. Its totient is φ = 104576103712.

The previous prime is 111112110169. The next prime is 111112110247. The reversal of 111112110211 is 112011211111.

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

It is a cyclic number.

It is not a de Polignac number, because 111112110211 - 2²⁵ = 111078555779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111112110191 and 111112110200.

It is not an unprimeable number, because it can be changed into a prime (111112110271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3268003225 + ... + 3268003258.

It is an arithmetic number, because the mean of its divisors is an integer number (29412029178).

Almost surely, 2^111112110211 is an apocalyptic number.

111112110211 is a deficient number, since it is larger than the sum of its proper divisors (6536006501).

111112110211 is an equidigital number, since it uses as much as digits as its factorization.

111112110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536006500.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111112110211 its reverse (112011211111), we get a palindrome (223123321322).

The spelling of 111112110211 in words is "one hundred eleven billion, one hundred twelve million, one hundred ten thousand, two hundred eleven".