Adding to 11201120210101 its reverse (10101202110211), we get a palindrome (21302322320312).
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is a congruent number.
Almost surely, 211201120210101 is an apocalyptic number.
It is an amenable number.
11201120210101 is an equidigital number, since it uses as much as digits as its factorization.
11201120210101 is an odious number, because the sum of its binary digits is odd.
The spelling of 11201120210101 in words is "eleven trillion, two hundred one billion, one hundred twenty million, two hundred ten thousand, one hundred one".