In essence, this string of numbers appears to be an internal reference added by the person who created the digital file. It pins the video to a specific time and date (early on September 1st, 2021), giving it a unique identity.
: On the flip side, detailed file names can sometimes hinder accessibility for those not familiar with the coding. New users might find it daunting to navigate through databases or search for content with such specific codes. MIMK-054-EN-JAVHD-TODAY-0901202101-58-02 Min