1112011217 has 2 divisors, whose sum is σ = 1112011218. Its totient is φ = 1112011216.

The previous prime is 1112011213. The next prime is 1112011223. The reversal of 1112011217 is 7121102111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1045164241 + 66846976 = 32329^2 + 8176^2 .

It is an emirp because it is prime and its reverse (7121102111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112011217 - 2² = 1112011213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112011195 and 1112011204.

It is not a weakly prime, because it can be changed into another prime (1112011213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556005608 + 556005609.

It is an arithmetic number, because the mean of its divisors is an integer number (556005609).

Almost surely, 2^1112011217 is an apocalyptic number.

It is an amenable number.

1112011217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112011217 is an equidigital number, since it uses as much as digits as its factorization.

1112011217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

The square root of 1112011217 is about 33346.8321883804. The cubic root of 1112011217 is about 1036.0237769894.

Adding to 1112011217 its reverse (7121102111), we get a palindrome (8233113328).

The spelling of 1112011217 in words is "one billion, one hundred twelve million, eleven thousand, two hundred seventeen".