112111211122211 has 4 divisors (see below), whose sum is σ = 128127098425392. Its totient is φ = 96095323819032.

The previous prime is 112111211122199. The next prime is 112111211122241. The reversal of 112111211122211 is 112221112111211.

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 112111211122211 - 2¹⁰ = 112111211121187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112111211122241) 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, 8007943651580 + ... + 8007943651593.

It is an arithmetic number, because the mean of its divisors is an integer number (32031774606348).

Almost surely, 2^{112111211122211} is an apocalyptic number.

112111211122211 is a deficient number, since it is larger than the sum of its proper divisors (16015887303181).

112111211122211 is an equidigital number, since it uses as much as digits as its factorization.

112111211122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16015887303180.

The product of its digits is 32, while the sum is 20.

Adding to 112111211122211 its reverse (112221112111211), we get a palindrome (224332323233422).

The spelling of 112111211122211 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred eleven million, one hundred twenty-two thousand, two hundred eleven".