It is a congruent number.
It is an unprimeable number.
Almost surely, 2220201212102222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220201212102222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247348628674560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220201212102222 is a wasteful number, since it uses less digits than its factorization.
220201212102222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9659.
Adding to 220201212102222 its reverse (222201212102022), we get a palindrome (442402424204244).
The spelling of 220201212102222 in words is "two hundred twenty trillion, two hundred one billion, two hundred twelve million, one hundred two thousand, two hundred twenty-two".