Adding to 11021220210102 its reverse (20101202212011), we get a palindrome (31122422422113).
It is a congruent number.
Almost surely, 211021220210102 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11021220210102 is a wasteful number, since it uses less digits than its factorization.
11021220210102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 553492.
The spelling of 11021220210102 in words is "eleven trillion, twenty-one billion, two hundred twenty million, two hundred ten thousand, one hundred two".