211240224200 has 48 divisors (see below), whose sum is σ = 491506488000. Its totient is φ = 84431923520.

The previous prime is 211240224193. The next prime is 211240224253. The reversal of 211240224200 is 2422042112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136580 + ... + 664179.

It is an arithmetic number, because the mean of its divisors is an integer number (10239718500).

Almost surely, 2^211240224200 is an apocalyptic number.

211240224200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211240224200 is an abundant number, since it is smaller than the sum of its proper divisors (280266263800).

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

211240224200 is a wasteful number, since it uses less digits than its factorization.

211240224200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802094 (or 802085 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 211240224200 its reverse (2422042112), we get a palindrome (213662266312).

The spelling of 211240224200 in words is "two hundred eleven billion, two hundred forty million, two hundred twenty-four thousand, two hundred".