Last Digits

Well if you carefully observe,the last digit should be 1 and in the options only $\boxed{19754321}$ matches.

Multiply first $11\times 101\times 10001= 11,111,111$ ,

then multiply $111\times 1001\times 1000001= 111,111,111,111$ ,

the last eight digits of $11,111,111\times 111,111,111,111$ is $87654321$ .

Now, the last $8$ digits of $87654321 \times 100001 = 87654321+...32100000$ which are $19754321$