Adding to 11011221110112 its reverse (21101112211011), we get a palindrome (32112333321123).
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
Almost surely, 211011221110112 is an apocalyptic number.
11011221110112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11011221110112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14674344523776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11011221110112 is a wasteful number, since it uses less digits than its factorization.
11011221110112 is an odious number, because the sum of its binary digits is odd.
The spelling of 11011221110112 in words is "eleven trillion, eleven billion, two hundred twenty-one million, one hundred ten thousand, one hundred twelve".