It is a Curzon number.
Almost surely, 211000000111001 is an apocalyptic number.
11000000111001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
11000000111001 is a wasteful number, since it uses less digits than its factorization.
11000000111001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4262116.
Adding to 11000000111001 its reverse (10011100000011), we get a palindrome (21011100111012).
The spelling of 11000000111001 in words is "eleven trillion, one hundred eleven thousand, one".