Obama to ask for debt limit hike: Treasury official

``The [August] deal called for raising the debt ceiling by $2.1 trillion to serve the nation's borrowing needs into 2013 and also included mandatory cuts to the federal budget deficit. Since then, the extension has been increased twice by a total of $900 billion. The debt limit currently stands at $15.194 trillion and would increase to $16.394 trillion with the request.''