212021120113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212021120113 is a prime.
It is a Duffinian number.
Almost surely, 2212021120113 is an apocalyptic number.
It is an amenable number.
212021120113 is a wasteful number, since it uses less digits than its factorization.
212021120113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4135452.
Adding to 212021120113 its reverse (311021120212), we get a palindrome (523042240325).
Subtracting 212021120113 from its reverse (311021120212), we obtain a palindrome (99000000099).
The spelling of 212021120113 in words is "two hundred twelve billion, twenty-one million, one hundred twenty thousand, one hundred thirteen".