There is absolutly no such thing as a “auto admit to MIT”.
Your stats are within the range of applicants with a CHANCE for MIT. But there are many like you who will apply. The admit rate is typcially around 7% and that would be your chance.
MIT does holistic admissions so it way more than just stats and medals that will get you in. There is a whole bunch of information within the admissions pages on the MIT website. Read them and become educated as to what it takes for MIT.