Farrah Abraham has money coming out of her ass ... she's raked in sex tape royalties totaling more than $100k in just 2 months!
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TMZ broke the story ... the "Teen Mom" turned porn star inked a 6-figure upfront deal with Vivid to sell the XXX tape she shot with James Deen -- "Back Door Teen Mom."
TMZ has obtained Farrah's first royalty check -- a percentage of profits she receives from sales. So prepare yourself ... after two months, Farrah amassed $119,576.39!!!!
You may recall ... Farah told us on "TMZ Live" ... she's already a millionaire.
Feel free to burn those college degrees in 3 ... 2 ... 1 ...
http://www.tmz.com/2013/07/21/farrah-abraham-sex-tape-back-door-teen-mom-royalty-check/