This is one of two self-complementary, rank-3 strongly-regular graphs with parameters $(121,60,29,30)$, the other being the Paley graph $P_{121}$.
| Number of vertices: | $121$ |
| Diameter: | $2$ |
| Intersection array: | $\{60,30;1,30\}$ |
| Spectrum: | $60^1 5^{60} (-6)^{60}$ |
| Automorphism group: | $11^2:\left(5 \times \left(3:4\right)\right)$ |
| Distance-transitive: | Yes |
| Primitive |