Numbers do mean things and it depends on what you follow as to what it means. Check out some sites on Numerology.

I see 1234 everywhere, it is even mine and my children's birthdays combined.

I found this for you:

111, 1111 - These signs indicate that your thoughts are correct for the new cycle of your life and they are on your Spiritual Path. Continue with and follow these, as these thoughts relate to a new cycle in your life that is on your Spiritual Path.

121, 1221, 2121, 2211, 1122 - These signs indicate that your current train of thought is correct for your Spiritual Path. These thoughts are your focus and following these will lead you along your Spiritual Path. This can be expressed simply as, 'You're following your path!'.