112253445221 has 4 divisors (see below), whose sum is σ = 112254228192. Its totient is φ = 112252662252.

The previous prime is 112253445211. The next prime is 112253445259. The reversal of 112253445221 is 122544352211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 122544352211 = 2251 ⋅54439961.

It is a cyclic number.

It is not a de Polignac number, because 112253445221 - 2¹⁰ = 112253444197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112253445211) by changing a digit.

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, 108011 + ... + 485976.

It is an arithmetic number, because the mean of its divisors is an integer number (28063557048).

Almost surely, 2^112253445221 is an apocalyptic number.

It is an amenable number.

112253445221 is a deficient number, since it is larger than the sum of its proper divisors (782971).

112253445221 is an equidigital number, since it uses as much as digits as its factorization.

112253445221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782970.

The product of its digits is 19200, while the sum is 32.

Adding to 112253445221 its reverse (122544352211), we get a palindrome (234797797432).

The spelling of 112253445221 in words is "one hundred twelve billion, two hundred fifty-three million, four hundred forty-five thousand, two hundred twenty-one".