Memorable blend of the words "ultra" and "infinity" makes for a powerful business name.
The name "ultrafinity" has 11 characters and five syllables.
Ultrafinity.com is a dot com domain. Dot com domains are the most desirable top-level-domain in the world, used by famous websites like twitter.com. Once secured, a dot com all but guarantees no-one else can outrank you for your own name in the long run.