2119221717 has 8 divisors (see below), whose sum is σ = 2991842496. Its totient is φ = 1329707712.

The previous prime is 2119221707. The next prime is 2119221739. The reversal of 2119221717 is 7171229112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2119221717 - 2⁴ = 2119221701 is a prime.

It is a super-2 number, since 2×2119221717² = 8982201371608856178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119221707) 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, 20776633 + ... + 20776734.

It is an arithmetic number, because the mean of its divisors is an integer number (373980312).

Almost surely, 2^2119221717 is an apocalyptic number.

It is an amenable number.

2119221717 is a deficient number, since it is larger than the sum of its proper divisors (872620779).

2119221717 is a wasteful number, since it uses less digits than its factorization.

2119221717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41553387.

The product of its digits is 3528, while the sum is 33.

The square root of 2119221717 is about 46035.0053437599. The cubic root of 2119221717 is about 1284.4744361160.

The spelling of 2119221717 in words is "two billion, one hundred nineteen million, two hundred twenty-one thousand, seven hundred seventeen".