112100222309 has 2 divisors, whose sum is σ = 112100222310. Its totient is φ = 112100222308.

The previous prime is 112100222219. The next prime is 112100222321. The reversal of 112100222309 is 903222001211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76852037284 + 35248185025 = 277222^2 + 187745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112100222309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112100212309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050111154 + 56050111155.

It is an arithmetic number, because the mean of its divisors is an integer number (56050111155).

Almost surely, 2^112100222309 is an apocalyptic number.

It is an amenable number.

112100222309 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100222309 is an equidigital number, since it uses as much as digits as its factorization.

112100222309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 112100222309 in words is "one hundred twelve billion, one hundred million, two hundred twenty-two thousand, three hundred nine".