What does Sultan mean?
From Arabic 'sultan', originally an abstract noun meaning 'strength, authority, rulership' (from 'sulta', power/authority), later a sovereign's title. Note: 'ruler/authority', and distinct from 'malik' (king) proper.
What does Anas mean?
From the root '-n-s (أ-ن-س, 'to be sociable, friendly, intimate'), meaning 'conviviality, affection, friendliness'. Borne by Anas ibn Malik, a companion who served the Prophet as a boy.