2116271 has 4 divisors (see below), whose sum is σ = 2152200. Its totient is φ = 2080344.

The previous prime is 2116199. The next prime is 2116291. The reversal of 2116271 is 1726112.

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 2116271 - 2¹⁴ = 2099887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17876 + ... + 17993.

It is an arithmetic number, because the mean of its divisors is an integer number (538050).

2^2116271 is an apocalyptic number.

2116271 is a deficient number, since it is larger than the sum of its proper divisors (35929).

2116271 is an equidigital number, since it uses as much as digits as its factorization.

2116271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35928.

The product of its digits is 168, while the sum is 20.

The square root of 2116271 is about 1454.7408703958. The cubic root of 2116271 is about 128.3878009457.

The spelling of 2116271 in words is "two million, one hundred sixteen thousand, two hundred seventy-one".