sum of digit 11(10^2+1)(10^4+1)(10^6+1)(10^8+1)(10^10+1)(10^12+1)(10^14+1)(10^16+1)

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.