214721211 has 8 divisors (see below), whose sum is σ = 286379280. Its totient is φ = 143105312.

The previous prime is 214721209. The next prime is 214721233. The reversal of 214721211 is 112127412.

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

It is a cyclic number.

It is not a de Polignac number, because 214721211 - 2¹ = 214721209 is a prime.

It is a super-2 number, since 2×214721211² = 92210396906613042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214721291) 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, 4345 + ... + 21173.

It is an arithmetic number, because the mean of its divisors is an integer number (35797410).

Almost surely, 2^214721211 is an apocalyptic number.

214721211 is a deficient number, since it is larger than the sum of its proper divisors (71658069).

214721211 is a wasteful number, since it uses less digits than its factorization.

214721211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21085.

The product of its digits is 224, while the sum is 21.

The square root of 214721211 is about 14653.3685888263. The cubic root of 214721211 is about 598.8135917163.

Adding to 214721211 its reverse (112127412), we get a palindrome (326848623).

The spelling of 214721211 in words is "two hundred fourteen million, seven hundred twenty-one thousand, two hundred eleven".