111220112012211 has 96 divisors (see below), whose sum is σ = 170939695320576. Its totient is φ = 69560156160000.

The previous prime is 111220112012179. The next prime is 111220112012213. The reversal of 111220112012211 is 112210211022111.

It is a happy number.

111220112012211 is a `hidden beast` number, since 1 + 11 + 220 + 11 + 201 + 221 + 1 = 666.

It is not a de Polignac number, because 111220112012211 - 2⁵ = 111220112012179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111220112012213) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3646904515 + ... + 3646935011.

It is an arithmetic number, because the mean of its divisors is an integer number (1780621826256).

Almost surely, 2^{111220112012211} is an apocalyptic number.

111220112012211 is a deficient number, since it is larger than the sum of its proper divisors (59719583308365).

111220112012211 is a wasteful number, since it uses less digits than its factorization.

111220112012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31853 (or 31850 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111220112012211 its reverse (112210211022111), we get a palindrome (223430323034322).

The spelling of 111220112012211 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twelve million, twelve thousand, two hundred eleven".