2008111217 has 4 divisors (see below), whose sum is σ = 2294984256. Its totient is φ = 1721238180.

The previous prime is 2008111207. The next prime is 2008111267. The reversal of 2008111217 is 7121118002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7121118002 = 2 ⋅3560559001.

It is a cyclic number.

It is not a de Polignac number, because 2008111217 - 2¹⁶ = 2008045681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2008111192 and 2008111201.

It is not an unprimeable number, because it can be changed into a prime (2008111207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143436509 + ... + 143436522.

It is an arithmetic number, because the mean of its divisors is an integer number (573746064).

Almost surely, 2^2008111217 is an apocalyptic number.

It is an amenable number.

2008111217 is a deficient number, since it is larger than the sum of its proper divisors (286873039).

2008111217 is an equidigital number, since it uses as much as digits as its factorization.

2008111217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286873038.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 2008111217 is about 44811.9539520428. The cubic root of 2008111217 is about 1261.6220013384.

Adding to 2008111217 its reverse (7121118002), we get a palindrome (9129229219).

The spelling of 2008111217 in words is "two billion, eight million, one hundred eleven thousand, two hundred seventeen".