You are 123 years old if you were born on January 21, 1901.
You are 123 years 3 months and 4 days old or 1479 months old or 6,431 weeks old or 45,020 days old or 1,080,480 hours old or 64,828,800 minutes old or 3,889,728,000 seconds old You were born on a Monday.