Adding to 1111001100 its reverse (11001111), we get a palindrome (1122002211).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a zygodrome in base 10.
It is an unprimeable number.
Almost surely, 21111001100 is an apocalyptic number.
1111001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111001100 is a wasteful number, since it uses less digits than its factorization.
1111001100 is an odious number, because the sum of its binary digits is odd.
The square root of 1111001100 is about 33331.6831258189. The cubic root of 1111001100 is about 1035.7099845130.
The spelling of 1111001100 in words is "one billion, one hundred eleven million, one thousand, one hundred".