2122

2122 = 2 x 1061.

2122 is a semiprime with a prime sum of factors (A108605).

2122 has a representation as a sum of two squares: 2122 = 21² + 41².

2122 divides 29²⁰ - 1.

2122 is the index of a prime Euclid number (A014545).

2122 is the concatenation of two consecutive numbers (A001704 and A127421).

2122 is the barcode for 2 in the Universal Product Code.

Source: Number Gossip