You are 123 years old if you were born on October 21, 1900.
You are 123 years 5 months, and 1 week old or 1481 months old or 6,440 weeks old or 45,084 days old or 1,082,016 hours old or 64,920,960 minutes old or 3,895,257,600 seconds old You were born on a Sunday.