214320111 has 4 divisors (see below), whose sum is σ = 285760152. Its totient is φ = 142880072.

The previous prime is 214320089. The next prime is 214320137. The reversal of 214320111 is 111023412.

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 214320111 - 2⁷ = 214319983 is a prime.

It is a super-3 number, since 3×214320111³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214320151) 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, 35720016 + ... + 35720021.

It is an arithmetic number, because the mean of its divisors is an integer number (71440038).

Almost surely, 2^214320111 is an apocalyptic number.

214320111 is a deficient number, since it is larger than the sum of its proper divisors (71440041).

214320111 is an equidigital number, since it uses as much as digits as its factorization.

214320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71440040.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 214320111 is about 14639.6759185441. The cubic root of 214320111 is about 598.4404973197.

Adding to 214320111 its reverse (111023412), we get a palindrome (325343523).

The spelling of 214320111 in words is "two hundred fourteen million, three hundred twenty thousand, one hundred eleven".