Found with PFGW Version 3.6.0

121^5018-5018^121 is 2-PRP! (4.6809s+0.0015s)
121^5018-5018^121 is 3-PRP! (4.6809s+0.0015s)
121^5018-5018^121 is 5-PRP! (4.6792s+0.0014s)
121^5018-5018^121 is 7-PRP! (4.6841s+0.0016s)
121^5018-5018^121 is 11-PRP! (4.6774s+0.0015s)

Primality testing 121^5018-5018^121 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 1+sqrt(7)
Calling N+1 BLS with factored part 0.10% and helper 0.01% (0.31% proof)
121^5018-5018^121 is Fermat and Lucas PRP! (21.9890s+0.0031s)

To be completed...