When the format is General, and the number is longer than the column is wide, excel will usually display numbers in notation form. In the number 1.112E+11, "E+11" means exponent of 11, or that the decimal is really 11 places to the right. Changing the cell's format to a number type may solve the problem, but if you get a result like "#######" it means that the column needs to be wider, or the font size smaller, so that the entire value can show. Setting an entire column format to a number type will not alter text strings.