2192111 has 2 divisors, whose sum is σ = 2192112. Its totient is φ = 2192110.

The previous prime is 2192101. The next prime is 2192123. The reversal of 2192111 is 1112912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2192111 - 2¹⁰ = 2191087 is a prime.

It is equal to p₁₆₂₁₄₃ and since 2192111 and 162143 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2192111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2192101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096055 + 1096056.

It is an arithmetic number, because the mean of its divisors is an integer number (1096056).

2^2192111 is an apocalyptic number.

2192111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2192111 is an equidigital number, since it uses as much as digits as its factorization.

2192111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36, while the sum is 17.

The square root of 2192111 is about 1480.5779277026. The cubic root of 2192111 is about 129.9034984024.

The spelling of 2192111 in words is "two million, one hundred ninety-two thousand, one hundred eleven".