215214201 has 12 divisors (see below), whose sum is σ = 311087920. Its totient is φ = 143373240.

The previous prime is 215214199. The next prime is 215214227. The reversal of 215214201 is 102412512.

It is not a de Polignac number, because 215214201 - 2¹ = 215214199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215216201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5970 + ... + 21588.

Almost surely, 2^215214201 is an apocalyptic number.

It is an amenable number.

215214201 is a deficient number, since it is larger than the sum of its proper divisors (95873719).

215214201 is a wasteful number, since it uses less digits than its factorization.

215214201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17156 (or 17153 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 215214201 is about 14670.1806737340. The cubic root of 215214201 is about 599.2715242297.

Adding to 215214201 its reverse (102412512), we get a palindrome (317626713).

The spelling of 215214201 in words is "two hundred fifteen million, two hundred fourteen thousand, two hundred one".