At current exchange rates, that hundred trillion dollar bill is worth $276,319,425,255.59 USD. I can see why the average Zimbabwean would have to carry a few of those around.
The million dollar bill is still worth 1,000,000.00 ZWD = 2,763.19 USD.
XE: (ZWD/USD) Zimbabwean Dollar to US Dollar Rate
Has this currency been replaced or is it still in circulation?