214811117 has 4 divisors (see below), whose sum is σ = 215143776. Its totient is φ = 214478460.

The previous prime is 214811111. The next prime is 214811141. The reversal of 214811117 is 711118412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214811117 - 2¹⁴ = 214794733 is a prime.

It is a super-2 number, since 2×214811117² = 92287631973575378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214811111) 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, 165359 + ... + 166652.

It is an arithmetic number, because the mean of its divisors is an integer number (53785944).

Almost surely, 2^214811117 is an apocalyptic number.

It is an amenable number.

214811117 is a deficient number, since it is larger than the sum of its proper divisors (332659).

214811117 is an equidigital number, since it uses as much as digits as its factorization.

214811117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332658.

The product of its digits is 448, while the sum is 26.

The square root of 214811117 is about 14656.4360265380. The cubic root of 214811117 is about 598.8971565432.

Adding to 214811117 its reverse (711118412), we get a palindrome (925929529).

The spelling of 214811117 in words is "two hundred fourteen million, eight hundred eleven thousand, one hundred seventeen".