112413440021 has 4 divisors (see below), whose sum is σ = 115027706112. Its totient is φ = 109799173932.

The previous prime is 112413439991. The next prime is 112413440047. The reversal of 112413440021 is 120044314211.

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 an emirpimes, since its reverse is a distinct semiprime: 120044314211 = 74609 ⋅1608979.

It is a cyclic number.

It is not a de Polignac number, because 112413440021 - 2²⁶ = 112346331157 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 (112413440081) 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, 1307132981 + ... + 1307133066.

It is an arithmetic number, because the mean of its divisors is an integer number (28756926528).

Almost surely, 2^112413440021 is an apocalyptic number.

It is an amenable number.

112413440021 is a deficient number, since it is larger than the sum of its proper divisors (2614266091).

112413440021 is an equidigital number, since it uses as much as digits as its factorization.

112413440021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614266090.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 112413440021 its reverse (120044314211), we get a palindrome (232457754232).

The spelling of 112413440021 in words is "one hundred twelve billion, four hundred thirteen million, four hundred forty thousand, twenty-one".