8811 = 3 x 3 x 11 x 89.
8811 is a multiple of 11 containing 11 in its decimal representation (A121031).
8811 is the number of 12 x 12 binary arrays symmetric under horizontal reflection with all ones connected only in a one by five or five by one block (A145065).
8811 divides 3412 - 1.
Source: OEIS
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