210530211 has 8 divisors (see below), whose sum is σ = 280867584. Its totient is φ = 140273160.

The previous prime is 210530197. The next prime is 210530219. The reversal of 210530211 is 112035012.

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

It is a de Polignac number, because none of the positive numbers 2^k-210530211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210530219) 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, 13671 + ... + 24656.

It is an arithmetic number, because the mean of its divisors is an integer number (35108448).

Almost surely, 2^210530211 is an apocalyptic number.

210530211 is a deficient number, since it is larger than the sum of its proper divisors (70337373).

210530211 is a wasteful number, since it uses less digits than its factorization.

210530211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40161.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 210530211 is about 14509.6592310088. The cubic root of 210530211 is about 594.8920181607.

Adding to 210530211 its reverse (112035012), we get a palindrome (322565223).

The spelling of 210530211 in words is "two hundred ten million, five hundred thirty thousand, two hundred eleven".