The number 9,111,102 can be evenly divided by 1 2 3 6 7 11 13 14 21 22 26 33 37 39 41 42 66 74 77 78 82 91 111 123 143 154 182 222 231 246 259 273 286 287 407 429 451 462 481 518 533 546 574 777 814 858 861 902 962 1,001 1,066 1,221 1,353 1,443 1,517 1,554 1,599 1,722 2,002 2,442 2,706 2,849 2,886 3,003 3,034 3,157 3,198 3,367 3,731 4,551 5,291 5,698 5,863 6,006 6,314 6,734 7,462 8,547 9,102 9,471 10,101 10,582 10,619 11,193 11,726 15,873 16,687 17,094 17,589 18,942 19,721 20,202 21,238 22,386 31,746 31,857 33,374 35,178 37,037 39,442 41,041 50,061 59,163 63,714 74,074 82,082 100,122 111,111 116,809 118,326 123,123 138,047 216,931 222,222 233,618 246,246 276,094 350,427 414,141 433,862 650,793 700,854 828,282 1,301,586 1,518,517 3,037,034 4,555,551 and 9,111,102, with no remainder.
Since 9,111,102 cannot be divided by just 1 and 9,111,102, it is a composite number.