It is: 11 and 66/1000 which can be simplified to 11 and 33/500
Eleven and eleven thousandths.
I would write it as either: eleven point zero zero one or eleven and one thousandth
Eleven thousandths.
5.011
11.0011
Eleven and thirty-seven thousandths.
eleven thousandths.
.011
Six and eleven thousandths.
eleven ten thousandths
11.00012
Two hundred eleven and two hundred eleven thousandths.