It is already on Mainnet. You can find the live price at Liquid.com, an exchange registered in Japan.
https://app.liquid.com/exchange/LIKEETH
On the second question, check out this image:
Up to 2 billion tokens can be mined from now to 10 years. At Launch its 800 million. So no running out of coins my friend @crypto-wisdom. Thanks from coming around. Sign up if you can - quickly!