112113203221 has 4 divisors (see below), whose sum is σ = 114228546732. Its totient is φ = 109997859712.

The previous prime is 112113203207. The next prime is 112113203227. The reversal of 112113203221 is 122302311211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122302311211 = 59 ⋅2072920529.

It can be written as a sum of positive squares in 2 ways, for example, as 59201702596 + 52911500625 = 243314^2 + 230025^2 .

It is a cyclic number.

It is not a de Polignac number, because 112113203221 - 2¹⁵ = 112113170453 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 (112113203227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057671676 + ... + 1057671781.

It is an arithmetic number, because the mean of its divisors is an integer number (28557136683).

Almost surely, 2^112113203221 is an apocalyptic number.

It is an amenable number.

112113203221 is a deficient number, since it is larger than the sum of its proper divisors (2115343511).

112113203221 is an equidigital number, since it uses as much as digits as its factorization.

112113203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115343510.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112113203221 its reverse (122302311211), we get a palindrome (234415514432).

The spelling of 112113203221 in words is "one hundred twelve billion, one hundred thirteen million, two hundred three thousand, two hundred twenty-one".