2011231219 has 2 divisors, whose sum is σ = 2011231220. Its totient is φ = 2011231218.

The previous prime is 2011231207. The next prime is 2011231231. The reversal of 2011231219 is 9121321102.

It is a balanced prime because it is at equal distance from previous prime (2011231207) and next prime (2011231231).

It is a cyclic number.

It is not a de Polignac number, because 2011231219 - 2¹⁹ = 2010706931 is a prime.

It is a super-2 number, since 2×2011231219² = 8090102032560451922, 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 2011231219.

It is not a weakly prime, because it can be changed into another prime (2011232219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005615609 + 1005615610.

It is an arithmetic number, because the mean of its divisors is an integer number (1005615610).

Almost surely, 2^2011231219 is an apocalyptic number.

2011231219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011231219 is an equidigital number, since it uses as much as digits as its factorization.

2011231219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 2011231219 is about 44846.7526026133. The cubic root of 2011231219 is about 1262.2750571887.

The spelling of 2011231219 in words is "two billion, eleven million, two hundred thirty-one thousand, two hundred nineteen".