Adding to 201012202212121 its reverse (121212202210102), we get a palindrome (322224404422223).
201012202212121 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 Duffinian number.
Almost surely, 2201012202212121 is an apocalyptic number.
It is an amenable number.
201012202212121 is an equidigital number, since it uses as much as digits as its factorization.
201012202212121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60674150.
The spelling of 201012202212121 in words is "two hundred one trillion, twelve billion, two hundred two million, two hundred twelve thousand, one hundred twenty-one".