2005121119 has 2 divisors, whose sum is σ = 2005121120. Its totient is φ = 2005121118.

The previous prime is 2005121101. The next prime is 2005121123. The reversal of 2005121119 is 9111215002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2005121119 - 2⁵ = 2005121087 is a prime.

It is a super-2 number, since 2×2005121119² = 8041021403719624322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2005121119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005121159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002560559 + 1002560560.

It is an arithmetic number, because the mean of its divisors is an integer number (1002560560).

Almost surely, 2^2005121119 is an apocalyptic number.

2005121119 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005121119 is an equidigital number, since it uses as much as digits as its factorization.

2005121119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 2005121119 is about 44778.5787961163. The cubic root of 2005121119 is about 1260.9955009553.

The spelling of 2005121119 in words is "two billion, five million, one hundred twenty-one thousand, one hundred nineteen".