2717216121 has 8 divisors (see below), whose sum is σ = 3623278624. Its totient is φ = 1811315520.

The previous prime is 2717216111. The next prime is 2717216141. The reversal of 2717216121 is 1216127172.

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

It is not a de Polignac number, because 2717216121 - 2⁹ = 2717215609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2717216111) 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 7 ways as a sum of consecutive naturals, for example, 6465 + ... + 74001.

It is an arithmetic number, because the mean of its divisors is an integer number (452909828).

Almost surely, 2^2717216121 is an apocalyptic number.

It is an amenable number.

2717216121 is a deficient number, since it is larger than the sum of its proper divisors (906062503).

2717216121 is a wasteful number, since it uses less digits than its factorization.

2717216121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80951.

The product of its digits is 2352, while the sum is 30.

The square root of 2717216121 is about 52126.9231875429. The cubic root of 2717216121 is about 1395.4300170951.

The spelling of 2717216121 in words is "two billion, seven hundred seventeen million, two hundred sixteen thousand, one hundred twenty-one".