2125111 has 2 divisors, whose sum is σ = 2125112. Its totient is φ = 2125110.

The previous prime is 2125099. The next prime is 2125147. The reversal of 2125111 is 1115212.

2125111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2125111 - 2¹¹ = 2123063 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2125091 and 2125100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062555 + 1062556.

It is an arithmetic number, because the mean of its divisors is an integer number (1062556).

2^2125111 is an apocalyptic number.

2125111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125111 is an equidigital number, since it uses as much as digits as its factorization.

2125111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20, while the sum is 13.

The square root of 2125111 is about 1457.7760459001. The cubic root of 2125111 is about 128.5663180214.

The spelling of 2125111 in words is "two million, one hundred twenty-five thousand, one hundred eleven".