211230210 has 32 divisors (see below), whose sum is σ = 510953472. Its totient is φ = 55883520.

The previous prime is 211230199. The next prime is 211230221. The reversal of 211230210 is 12032112.

It is an interprime number because it is at equal distance from previous prime (211230199) and next prime (211230221).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23911 + ... + 31530.

It is an arithmetic number, because the mean of its divisors is an integer number (15967296).

Almost surely, 2^211230210 is an apocalyptic number.

211230210 is an abundant number, since it is smaller than the sum of its proper divisors (299723262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211230210 is a wasteful number, since it uses less digits than its factorization.

211230210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55578.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 211230210 is about 14533.7610411070. The cubic root of 211230210 is about 595.5506142822.

Adding to 211230210 its reverse (12032112), we get a palindrome (223262322).

The spelling of 211230210 in words is "two hundred eleven million, two hundred thirty thousand, two hundred ten".