112726673221 has 4 divisors (see below), whose sum is σ = 112727358432. Its totient is φ = 112725988012.

The previous prime is 112726673179. The next prime is 112726673237. The reversal of 112726673221 is 122376627211.

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.

It is a cyclic number.

It is not a de Polignac number, because 112726673221 - 2¹¹ = 112726671173 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112726673251) 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, 69000 + ... + 479806.

It is an arithmetic number, because the mean of its divisors is an integer number (28181839608).

Almost surely, 2^112726673221 is an apocalyptic number.

It is an amenable number.

112726673221 is a deficient number, since it is larger than the sum of its proper divisors (685211).

112726673221 is an equidigital number, since it uses as much as digits as its factorization.

112726673221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685210.

The product of its digits is 84672, while the sum is 40.

The spelling of 112726673221 in words is "one hundred twelve billion, seven hundred twenty-six million, six hundred seventy-three thousand, two hundred twenty-one".