210830211 has 12 divisors (see below), whose sum is σ = 305749080. Its totient is φ = 139992000.

The previous prime is 210830197. The next prime is 210830239. The reversal of 210830211 is 112038012.

It is not a de Polignac number, because 210830211 - 2¹⁵ = 210797443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210830281) 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, 44406 + ... + 48923.

It is an arithmetic number, because the mean of its divisors is an integer number (25479090).

Almost surely, 2^210830211 is an apocalyptic number.

210830211 is a deficient number, since it is larger than the sum of its proper divisors (94918869).

210830211 is a wasteful number, since it uses less digits than its factorization.

210830211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93586 (or 93583 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 210830211 is about 14519.9934917341. The cubic root of 210830211 is about 595.1744525298.

Adding to 210830211 its reverse (112038012), we get a palindrome (322868223).

The spelling of 210830211 in words is "two hundred ten million, eight hundred thirty thousand, two hundred eleven".