Adding to 22011122210112 its reverse (21101222111022), we get a palindrome (43112344321134).
22011122210112 is a `hidden beast` number, since 220 + 1 + 1 + 122 + 210 + 112 = 666.
It is a tau number, because it is divible by the number of its divisors (336).
It is a congruent number.
Almost surely, 222011122210112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22011122210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37127117414400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22011122210112 is a wasteful number, since it uses less digits than its factorization.
22011122210112 is an odious number, because the sum of its binary digits is odd.
The spelling of 22011122210112 in words is "twenty-two trillion, eleven billion, one hundred twenty-two million, two hundred ten thousand, one hundred twelve".