112101217 has 2 divisors, whose sum is σ = 112101218. Its totient is φ = 112101216.

The previous prime is 112101203. The next prime is 112101221. The reversal of 112101217 is 712101211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92467456 + 19633761 = 9616^2 + 4431^2 .

It is an emirp because it is prime and its reverse (712101211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112101217 - 2⁷ = 112101089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112101217.

It is not a weakly prime, because it can be changed into another prime (112101317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050608 + 56050609.

It is an arithmetic number, because the mean of its divisors is an integer number (56050609).

Almost surely, 2^112101217 is an apocalyptic number.

It is an amenable number.

112101217 is a deficient number, since it is larger than the sum of its proper divisors (1).

112101217 is an equidigital number, since it uses as much as digits as its factorization.

112101217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 112101217 is about 10587.7862180911. The cubic root of 112101217 is about 482.1736158823.

Adding to 112101217 its reverse (712101211), we get a palindrome (824202428).

The spelling of 112101217 in words is "one hundred twelve million, one hundred one thousand, two hundred seventeen".