111112012012210 has 24 divisors (see below), whose sum is σ = 219836493190188. Its totient is φ = 40404368004000.

The previous prime is 111112012012201. The next prime is 111112012012303. The reversal of 111112012012210 is 12210210211111.

It can be written as a sum of positive squares in 2 ways, for example, as 111054312609361 + 57699402849 = 10538231^2 + 240207^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45914053341 + ... + 45914055760.

Almost surely, 2^{111112012012210} is an apocalyptic number.

111112012012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111112012012210 is a deficient number, since it is larger than the sum of its proper divisors (108724481177978).

111112012012210 is a wasteful number, since it uses less digits than its factorization.

111112012012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91828109130 (or 91828109119 counting only the distinct ones).

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

Adding to 111112012012210 its reverse (12210210211111), we get a palindrome (123322222223321).

The spelling of 111112012012210 in words is "one hundred eleven trillion, one hundred twelve billion, twelve million, twelve thousand, two hundred ten".