You can see one billion (109) digits of pi (1,000,000,001 digits if you count the initial "3") in this file https://stuff.mit.edu/afs/sipb/contrib/pi/pi-billion.txt.
Need more than a billion digits? Here are some places to look:
4 billion digits: Available in various formats from pi.super-computing.org.
5 trillion digits (requires special viewer): Alexander Yee makes 5 trillion digits available via bittorrent.
In 2010, a researcher has calculated the 2,000,000,000,000,000th digit of the mathematical constant pi. And the number is...0.
Nicholas Sze, of tech firm Yahoo, said that when pi is expressed in binary, the two quadrillionth "bit" is 0.
Mr Sze used Yahoo's Hadoop cloud computing technology to more than double the previous record and took 23 days to complete.
Learn more about pi at www.angio.net.
And discover 50 Interesting Facts about Pi from RandomHistory.com