112305445421 has 4 divisors (see below), whose sum is σ = 120944325852. Its totient is φ = 103666564992.

The previous prime is 112305445363. The next prime is 112305445451. The reversal of 112305445421 is 124544503211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24778222921 + 87527222500 = 157411^2 + 295850^2 .

It is a cyclic number.

It is not a de Polignac number, because 112305445421 - 2²⁶ = 112238336557 is a prime.

It is a super-2 number, since 2×112305445421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112305445451) 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, 4319440196 + ... + 4319440221.

It is an arithmetic number, because the mean of its divisors is an integer number (30236081463).

Almost surely, 2^112305445421 is an apocalyptic number.

It is an amenable number.

112305445421 is a deficient number, since it is larger than the sum of its proper divisors (8638880431).

112305445421 is an equidigital number, since it uses as much as digits as its factorization.

112305445421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8638880430.

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

Adding to 112305445421 its reverse (124544503211), we get a palindrome (236849948632).

The spelling of 112305445421 in words is "one hundred twelve billion, three hundred five million, four hundred forty-five thousand, four hundred twenty-one".