211242310200 has 144 divisors (see below), whose sum is σ = 709621486080. Its totient is φ = 56315450880.

The previous prime is 211242310193. The next prime is 211242310211. The reversal of 211242310200 is 2013242112.

It is a happy number.

211242310200 is a `hidden beast` number, since 2 + 112 + 42 + 310 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7288137 + ... + 7317063.

Almost surely, 2^211242310200 is an apocalyptic number.

211242310200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211242310200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354810743040).

211242310200 is an abundant number, since it is smaller than the sum of its proper divisors (498379175880).

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

211242310200 is a wasteful number, since it uses less digits than its factorization.

211242310200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33006 (or 32994 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 211242310200 its reverse (2013242112), we get a palindrome (213255552312).

The spelling of 211242310200 in words is "two hundred eleven billion, two hundred forty-two million, three hundred ten thousand, two hundred".