"tower of Babel" = 1221 (Jewish)
"clock tower" = 1221 (Jewish)
"eleventh hour" = 1221 (Jewish)
"operative mason" = 1221 (Jewish)
"mother of all wars" = 1221 (English Extended)
If you put KJV Rev. 8:10 and 8:11 together in the calculator it comes up 1221 = 12/21
"And the third angel sounded, and there fell a great star from heaven, burning as it were a lamp, and it fell upon the third part of the rivers, and upon the fountains of waters; And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter." = 1221 (Full Reduction)