2101717711 has 4 divisors (see below), whose sum is σ = 2102485000. Its totient is φ = 2100950424.

The previous prime is 2101717679. The next prime is 2101717733. The reversal of 2101717711 is 1177171012.

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 2101717711 - 2⁵ = 2101717679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101717711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101717741) 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, 379521 + ... + 385018.

It is an arithmetic number, because the mean of its divisors is an integer number (525621250).

Almost surely, 2^2101717711 is an apocalyptic number.

2101717711 is a deficient number, since it is larger than the sum of its proper divisors (767289).

2101717711 is an equidigital number, since it uses as much as digits as its factorization.

2101717711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767288.

The product of its (nonzero) digits is 686, while the sum is 28.

The square root of 2101717711 is about 45844.4948821557. The cubic root of 2101717711 is about 1280.9282229948.

Adding to 2101717711 its reverse (1177171012), we get a palindrome (3278888723).

The spelling of 2101717711 in words is "two billion, one hundred one million, seven hundred seventeen thousand, seven hundred eleven".