Has a FIBA World Cup game ever ended 101-52?
Exactly once. On November 29, 2018, China beat Syria 101-52, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 101-52 in league history.
That makes 101-52 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 102-52 has happened 1 times and 101-53 has happened never.