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Cab number leaving remainder one and divisible by 11

Question

A rude cab driver gives his number as a puzzle: divided by any of 2,3,4,5,62,3,4,5,6 it leaves remainder 11, it is a multiple of 1111, and it is the smallest positive number with both properties. What is it?

Short answer

121121. The number is 11 more than a multiple of lcm⁡(2,3,4,5,6)=60\operatorname{lcm}(2,3,4,5,6)=60: 1,61,121,…1,61,121,\dots, and the first of these divisible by 1111 is 121121.

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