• 4 cifras (Quitando los ceros a la izquierda)
• Sus cifras suman 2
• Formado con 2,1,0
• Multiple de 11

1001 
1100

Private Sub Form_Load()
    Dim i       As Long
 
    For i = 0 To 111
        If SumDigits(1001 + i * 11) = 2 Then Debug.Print 1001 + i * 11
    Next i
End Sub
 
Public Function SumDigits(ByVal lNumb As Long) As Long
    Dim bvTmp() As Byte
    Dim i       As Long
 
    bvTmp = StrConv(Trim$(Str$(lNumb)), vbFromUnicode)
 
    For i = LBound(bvTmp) To UBound(bvTmp)
        SumDigits = SumDigits + (bvTmp(i) - vbKey0)
    Next i
End Function