If you mean the American trillion - a 1, followed by 12 zeroes - the prefix is tera.
milli --
The metric system prefix for the quantity 0.001 is Milli.
The prefix for million is mega-.
millionth
In the metric system, "centi" is a prefix: it is not a measurement unit of any kind.
milli --
for this answer: in the metric system what is the prefix for 1/100?ANSWER: centi-AtL 2009
The metric system is designed to deal in powers of ten, so it has a prefix for 100, which is hecto, but not for 110.
The metric system prefix for the quantity 0.001 is Milli.
The prefix for million is mega-.
The prefix is centi-
Pico is the prefix in most English speaking countries. Atto is the prefix in most European countries. A trillion or a trillionth in the US has a different numerical value than the same trillion or trillionth in a European country.
kilo-
millionth
centi-
Every prefix in the metric system denotes a power of 10.
In the metric system, "centi" is a prefix: it is not a measurement unit of any kind.