211010214 has 16 divisors (see below), whose sum is σ = 422929728. Its totient is φ = 70185192.

The previous prime is 211010209. The next prime is 211010237. The reversal of 211010214 is 412010112.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 211010214.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34852 + ... + 40455.

It is an arithmetic number, because the mean of its divisors is an integer number (26433108).

Almost surely, 2^211010214 is an apocalyptic number.

211010214 is an abundant number, since it is smaller than the sum of its proper divisors (211919514).

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

211010214 is a wasteful number, since it uses less digits than its factorization.

211010214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75779.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 211010214 is about 14526.1906224585. The cubic root of 211010214 is about 595.3437873885.

Adding to 211010214 its reverse (412010112), we get a palindrome (623020326).

The spelling of 211010214 in words is "two hundred eleven million, ten thousand, two hundred fourteen".