How much interest does a 100 million dollars earn a month?

The amount of interest earned on $100 million in a month depends on the interest rate applied. For example, if the annual interest rate is 2%, the monthly interest would be approximately $166,667. Conversely, at a 5% annual rate, it would be about $416,667 per month. The specific interest earned will vary based on the rate and the type of account or investment.