112186248221 has 2 divisors, whose sum is σ = 112186248222. Its totient is φ = 112186248220.

The previous prime is 112186248217. The next prime is 112186248253. The reversal of 112186248221 is 122842681211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98712842596 + 13473405625 = 314186^2 + 116075^2 .

It is an emirp because it is prime and its reverse (122842681211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112186248221 - 2² = 112186248217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112186248281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56093124110 + 56093124111.

It is an arithmetic number, because the mean of its divisors is an integer number (56093124111).

Almost surely, 2^112186248221 is an apocalyptic number.

It is an amenable number.

112186248221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112186248221 is an equidigital number, since it uses as much as digits as its factorization.

112186248221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 38.

The spelling of 112186248221 in words is "one hundred twelve billion, one hundred eighty-six million, two hundred forty-eight thousand, two hundred twenty-one".