21 million bitcoins will be supplied over 18 million bitcoins have already been mined.
Actually, 19 million coins have been mined, and we're about to witness 20 million mined coins in about 4 years.
bitcoin is not a scarce resource
there are going to be 2,099,999,997,690,000 sharable units.
Of course, another weird interpretation of franky. Being scarce isn't the same as being highly divisible, but who am I to ruin your fantasy? Bitcoins aren't scarce. Gold isn't scarce either, we have grams. Food isn't scarce if you cut it in multiple pieces! Time isn't scarce, we have nanoseconds.