The phrase "gazillion dollars" is not a real number, it's just a way to say a LOT of money. It's used when someone wants to emphasize that there is an enormous or exaggerated amount of money involved. Full definition
Moreover, it's hard to imagine more dispositive proof that humor and superheroing are compatible than the ongoing mega-success of Marvel Studios, which has ridden a light comic touch to approximately one gazillion dollars in box office over the past several years. (theatlantic.com)
I hate when a luxury stroller that you pay gazillion dollars for doesn't include a bumper bar. (momsstrollerreviews.com)
Which can be bad news if a case goes sideways on you and your client's left holding the bag for the other side's gazillion dollar legal tab. (flprobatelitigation.com)