"The name reflects the immense volume of information that exists and the scope of Google’s mission: To organise the world’s information and make it universally accessible and useful," claims Google.
The artwork is the latest doodle since the search engine began dressing up its logo in August 1998 with a design themed on the Burning Man festival.
The anniversary comes at a time when the company faces increasing legislative scrutiny and is locked in an intense rivalry with the social networking site Facebook.
The search engine recently launched its Google+ social networking service to all users, in an effort to counter Facebook's rising popularity.
Research from Nielsen earlier this month showed that US internet users spend more time on Facebook than any other website.
However, other research shows that Google enjoys a 90 per cent share of the global internet search market.