One Hundred and One Nights (book)
One Hundred and One Nights () is a book of Arab literature consisting of twenty stories, which presents many similarities to the more famous "One Thousand and One Nights".
1001 (number)
In "The Book of One Thousand and One Nights", Scheherazade tells her husband the king a new story every night for 1,001 nights, staving off her execution. From this, 1001 is sometimes used as a generic term for "a very large number", starting with a large number (1000) and going beyond it: