112601184721 has 9 divisors (see below), whose sum is σ = 114498180849. Its totient is φ = 110735130000.

The previous prime is 112601184713. The next prime is 112601184737. The reversal of 112601184721 is 127481106211.

The square root of 112601184721 is 335561.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 242144721 + 112359040000 = 15561^2 + 335200^2 .

It is not a de Polignac number, because 112601184721 - 2³ = 112601184713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112601884721) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20466471 + ... + 20471971.

Almost surely, 2^112601184721 is an apocalyptic number.

112601184721 is the 335561-st square number.

112601184721 is the 167781-st centered octagonal number.

It is an amenable number.

112601184721 is a deficient number, since it is larger than the sum of its proper divisors (1896996128).

112601184721 is an frugal number, since it uses more digits than its factorization.

112601184721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11124 (or 5562 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 34.

The spelling of 112601184721 in words is "one hundred twelve billion, six hundred one million, one hundred eighty-four thousand, seven hundred twenty-one".