How VANCAT supply is always limited to 1 Quadrillion
The total maximum and circulating supply of VANCAT token is limited to 1 Quadrillion, which you can see by checking the contract source code of the BEP20 token on BSCScan page. There are no mint function in this contract, which means there is no way to change the max supply.
The main idea behind the VANCAT token supply is the Van cats and the token has no decimals (subdividing). You can have 10 billion VANCAT or 330 million VANCAT, not 10,8326923 million VANCAT. Because cats can not be divided.