It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-11010212220221 is a prime.
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 11010212220221.
It is a congruent number.
Almost surely, 211010212220221 is an apocalyptic number.
It is an amenable number.
11010212220221 is a wasteful number, since it uses less digits than its factorization.
11010212220221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10128991170.
Adding to 11010212220221 its reverse (12202221201011), we get a palindrome (23212433421232).
The spelling of 11010212220221 in words is "eleven trillion, ten billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty-one".