Uni-nullnorms generalize both uninorms and nullnorms. In this paper, we investigate the migrativity property for uni-nullnorms. We characterize uni-nullnorms that are α-migrative over a fixed uni-nullnorm, where the 2-neutral elements of uni-nullnorms can be the same or different. Specifically, the (α, V1)-migrativity of V when e = e1, a = a1, or e ≠ e1, a = a1 or e = e1, a ≠ a1 are characterized, where V and V1 are uni-nullnorms with 2-neutral elements {e, 1} a and {e1, 1} a1, respectively.
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