How many kcal is 2107.20 calories?

kcal is short for kilocalories, and 1 kilocalorie equals 1000 "small calories." The term "calorie" and "kilocalorie" are often used interchangeably, but technically, the calorie count you see on a food label is in Calories (uppercase) or kilocalories. So, 1 Calorie equals 1 kilocalorie.

To answer your question: it seems most likely that in your case 2107.20 Calories equals 2107.20 kilocalories. They are one and the same.

For reference, 2107.20 kilocalories = 2107.20 Calories = 2107200 calories.