213150211 has 2 divisors, whose sum is σ = 213150212. Its totient is φ = 213150210.

The previous prime is 213150209. The next prime is 213150221. The reversal of 213150211 is 112051312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213150211 - 2¹ = 213150209 is a prime.

Together with 213150209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (213150221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106575105 + 106575106.

It is an arithmetic number, because the mean of its divisors is an integer number (106575106).

Almost surely, 2^213150211 is an apocalyptic number.

213150211 is a deficient number, since it is larger than the sum of its proper divisors (1).

213150211 is an equidigital number, since it uses as much as digits as its factorization.

213150211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 213150211 is about 14599.6647564251. The cubic root of 213150211 is about 597.3496161626.

The spelling of 213150211 in words is "two hundred thirteen million, one hundred fifty thousand, two hundred eleven".