211030200 has 72 divisors (see below), whose sum is σ = 708715800. Its totient is φ = 56274240.

The previous prime is 211030189. The next prime is 211030219. The reversal of 211030200 is 2030112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56820 + ... + 60419.

It is an arithmetic number, because the mean of its divisors is an integer number (9843275).

Almost surely, 2^211030200 is an apocalyptic number.

211030200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211030200 is an abundant number, since it is smaller than the sum of its proper divisors (497685600).

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

211030200 is a wasteful number, since it uses less digits than its factorization.

211030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117261 (or 117249 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 211030200 is about 14526.8785360104. The cubic root of 211030200 is about 595.3625829483.

Adding to 211030200 its reverse (2030112), we get a palindrome (213060312).

The spelling of 211030200 in words is "two hundred eleven million, thirty thousand, two hundred".