Fatto generale: 110 is a common name for mains electricity in North America, despite the nominal voltage actually being 120V (range 110-120).
Fatto matematico: 110 is a sphenic number and a pronic number.
Trivia: 110 is the number also known as "eleventy", a term made famous by linguist and author J. R. R. Tolkien (Bilbo Baggins celebrates his eleventy-first birthday at the beginning of The Lord of the Rings) and derived from the Old English hund endleofantig.
Data storica: April 19th is the day in 1587 that Francis Drake's expedition sinks the Spanish fleet in Cádiz harbor.