11210642217 has 8 divisors (see below), whose sum is σ = 16608358880. Its totient is φ = 7473761460.

The previous prime is 11210642167. The next prime is 11210642237. The reversal of 11210642217 is 71224601211.

11210642217 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 0 + 642 + 2 + 17 = 666.

It is not a de Polignac number, because 11210642217 - 2⁷ = 11210642089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 415208971 = 11210642217 / (1 + 1 + 2 + 1 + 0 + 6 + 4 + 2 + 2 + 1 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11210642237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207604459 + ... + 207604512.

It is an arithmetic number, because the mean of its divisors is an integer number (2076044860).

Almost surely, 2^11210642217 is an apocalyptic number.

It is an amenable number.

11210642217 is a deficient number, since it is larger than the sum of its proper divisors (5397716663).

11210642217 is an equidigital number, since it uses as much as digits as its factorization.

11210642217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415208980 (or 415208974 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 11210642217 in words is "eleven billion, two hundred ten million, six hundred forty-two thousand, two hundred seventeen".