No, Indonesia is not further west than the prime meridian (zero degrees latitude).
Yes, Indonesia is further east than the prime meridian (zero degrees latitude). The midpoint of Indonesia is further east by approximately 7,879 miles (12,680km).
No, Indonesia is not further north than the equator.
Yes, Indonesia is further south than the equator. The midpoint of Indonesia is further south by approximately 55 miles (88km).