As a regular member of the senior Spain national team, he has won a FIBA World Cup title, three EuroBasket gold medals, as well as a bronze.

Llull began his career playing for the La Salle Maò and CB i Unió Manresana junior clubs as a youth.

[2][3] He was named the MVP of the final of the mid-season three game 2012 Spanish King's Cup tournament.

By winning the Spanish League championship, Real Madrid won the triple crown.

[9] In May 2018, Real Madrid won the 2017–18 EuroLeague season championship, after defeating Fenerbahçe Doğuş in the final game, by a score of 85–80.

In the 2022–23 season, Llull was crucial in Real Madrid's road to their eleventh EuroLeague title.

In the championship game on 21 May, against Olympiacos, he scored a high-arching jump shot with 3.1 second left to give Madrid the final advantage in their 79–78 win.

Early in his career, Llull was known for his straight line speed, jumping ability, and open court fast break dunks.