2NO (g) N2 (g) + O2 (g); Keq = 2.1 * 1030 What does the value of the equilibrium constant indicate?

The equilibrium constant is a value which represents the equilibrium of a reaction. It is a reaction quotient when the reaction reached equilibrium. If Keq is greater than 1, the mixture contains mostly the products. On the other hand, if Keq is less than 1, the mixture contains the reactants. For this case, the mixture contains mostly products.