112111221211 has 4 divisors (see below), whose sum is σ = 122303150424. Its totient is φ = 101919292000.

The previous prime is 112111221199. The next prime is 112111221247. The reversal of 112111221211 is 112122111211.

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 112111221211 - 2⁵ = 112111221179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112111221511) 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, 5095964590 + ... + 5095964611.

It is an arithmetic number, because the mean of its divisors is an integer number (30575787606).

Almost surely, 2^112111221211 is an apocalyptic number.

112111221211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112111221211 is a deficient number, since it is larger than the sum of its proper divisors (10191929213).

112111221211 is a wasteful number, since it uses less digits than its factorization.

112111221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191929212.

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

Adding to 112111221211 its reverse (112122111211), we get a palindrome (224233332422).

Subtracting 112111221211 from its reverse (112122111211), we obtain a square (10890000 = 3300²).

The spelling of 112111221211 in words is "one hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, two hundred eleven".