Can I be pregnant?

Yesterday my boyfriend and I were just fooling around ( I'm still 100 percent virgin) he slapped his penis on my vagina and then he was rubbing it on there in no point did the tip get near my vagina it was just the main part , but I couldn't help but to get paranoid right after it happened I tried googling but thst only made it worse some said that isn't enough sperm to get me pregnant another said it only takes one pleaseee help me but my mind at ease