What makes this serial number special 

• 20112022's digits sum to 10. In 0.044% of 8-digit numbers, the digits sum to at most 10.
• 20112022 contains a 4-of-a-kind and 2 pairs. Only 0.15% of 8-digit numbers have this combination.
• 20112022 has 3 unique digits. In 0.71% of 8-digit numbers, there are 3 or fewer unique digits.
• 20112022 contains 2 pairs together. Only 10% of 8-digit numbers have this combination.