112221055 has 4 divisors (see below), whose sum is σ = 134665272. Its totient is φ = 89776840.

The previous prime is 112221017. The next prime is 112221061. The reversal of 112221055 is 550122211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 112221055 - 2¹¹ = 112219007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11222101 + ... + 11222110.

It is an arithmetic number, because the mean of its divisors is an integer number (33666318).

Almost surely, 2^112221055 is an apocalyptic number.

112221055 is a deficient number, since it is larger than the sum of its proper divisors (22444217).

112221055 is an equidigital number, since it uses as much as digits as its factorization.

112221055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22444216.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 112221055 is about 10593.4439631312. The cubic root of 112221055 is about 482.3453718047.

Adding to 112221055 its reverse (550122211), we get a palindrome (662343266).

The spelling of 112221055 in words is "one hundred twelve million, two hundred twenty-one thousand, fifty-five".