- 11,000,000,000,000; one million million You say a, one, two, several, etc. trillion without a final “s” on “trillion.”Trillions (of…) can be used if there is no number or quantity before it. Always use a plural verb with trillion or trillions.
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- 2a trillion, trillions (of…) (informal) a very large amount There are more examples of how to use numbers at the entry for hundred.
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