All I know that he's the inspiring figure of Shonen Jump characters like Goku, and Luffy. He's character match theirs.
If you want to know more about him in summary, watch the "Journey to the west" movies.
Or if you want to know the mythology, go to this video of deathbattle:
Start at 7:00 and you'll get a summary mythology about his tale and legends. Even though it's a small info, it's insane.
Though I agree with Kelheor, it would be best to start reading a book about the monkey king.