582011domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that x^11 = 2 has a solution mod p, but x^(11^2) = 2 has no solution mod p.at n=33A070187Prime numbers that contain the string "2011" in their decimal expansion.at n=27A191421Lower twin prime-indexed primes in the sequence of prime(prime(i)).at n=23A228054Prime numbersat n=47741