MD-11 has 1 inboard and 1 outboard flap surface per wing for a total of 4. The LE slats are 2 inboard and 6 outboard panels. (total 16).
The Flaps and Slats (LE) can be operated independantly.
The MD-11 has an Auto Flap Limiting system above 175kts. Slats will auto-extend when airspeed nears stall speed.
Good Luck!