diff --git a/tests/test_number.py b/tests/test_number.py
index cb74fcf..5ada543 100644
--- a/tests/test_number.py
+++ b/tests/test_number.py
@@ -122,6 +122,7 @@ def test_intword_powers() -> None:
         ([2e100], "2.0 googol"),
         ([None], "None"),
         (["1230000", "%0.2f"], "1.23 million"),
+        ([10**100], "1.0 googol"),
         ([10**101], "10.0 googol"),
         ([math.nan], "NaN"),
         ([math.inf], "+Inf"),