1) As previously stated if the geirut was a good, kosher geirut, then you’re a full fledged Jew!
2) Also as previously stated, your tefillot never fall on deaf ears!
3) (not so pertaining to you) Even if the mother is married and has a child with a non-Jew, the child is NOT a mamzer by any means
4) The father has nothing to do with determining one’s status as Jew or non-Jew only one’s status as Cohen/Levi
5) As a Charedi I will tell you, I have a couple of friends who are Gerim, I do not by any means look down upon C”V, nor do I invalidate any geirut, for anyone who does, is NOT a Charedi Jew! He is going directly against an explicit verse in the Torah! (quite a few actually…)