17120112211 has 4 divisors (see below), whose sum is σ = 17361240624. Its totient is φ = 16878983800.

The previous prime is 17120112133. The next prime is 17120112223. The reversal of 17120112211 is 11221102171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 17120112211 - 2⁹ = 17120111699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17120112281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120564100 + ... + 120564241.

It is an arithmetic number, because the mean of its divisors is an integer number (4340310156).

Almost surely, 2^17120112211 is an apocalyptic number.

17120112211 is a deficient number, since it is larger than the sum of its proper divisors (241128413).

17120112211 is an equidigital number, since it uses as much as digits as its factorization.

17120112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241128412.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 17120112211 its reverse (11221102171), we get a palindrome (28341214382).

The spelling of 17120112211 in words is "seventeen billion, one hundred twenty million, one hundred twelve thousand, two hundred eleven".