200121220120211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 200121220120211.
Almost surely, 2200121220120211 is an apocalyptic number.
200121220120211 is a wasteful number, since it uses less digits than its factorization.
200121220120211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6107782.
Adding to 200121220120211 its reverse (112021022121002), we get a palindrome (312142242241213).
The spelling of 200121220120211 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty thousand, two hundred eleven".