Adding to 11011120220011 its reverse (11002202111011), we get a palindrome (22013322331022).
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
Almost surely, 211011120220011 is an apocalyptic number.
11011120220011 is an equidigital number, since it uses as much as digits as its factorization.
11011120220011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1209623540.
The spelling of 11011120220011 in words is "eleven trillion, eleven billion, one hundred twenty million, two hundred twenty thousand, eleven".