111112010212211 has 16 divisors (see below), whose sum is σ = 113486485358400. Its totient is φ = 108766162741248.

The previous prime is 111112010212207. The next prime is 111112010212213. The reversal of 111112010212211 is 112212010211111.

It is a cyclic number.

It is not a de Polignac number, because 111112010212211 - 2² = 111112010212207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111112010212211.

It is not an unprimeable number, because it can be changed into a prime (111112010212213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3218615 + ... + 15250688.

It is an arithmetic number, because the mean of its divisors is an integer number (7092905334900).

Almost surely, 2^{111112010212211} is an apocalyptic number.

111112010212211 is a deficient number, since it is larger than the sum of its proper divisors (2374475146189).

111112010212211 is a wasteful number, since it uses less digits than its factorization.

111112010212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18470078.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111112010212211 its reverse (112212010211111), we get a palindrome (223324020423322).

The spelling of 111112010212211 in words is "one hundred eleven trillion, one hundred twelve billion, ten million, two hundred twelve thousand, two hundred eleven".