20012211001219 has 2 divisors, whose sum is σ = 20012211001220. Its totient is φ = 20012211001218.

The previous prime is 20012211001187. The next prime is 20012211001291. The reversal of 20012211001219 is 91210011221002.

Together with next prime (20012211001291) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20012211001219 - 2⁵ = 20012211001187 is a prime.

It is a super-3 number, since 3×20012211001219³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20012211001219.

It is not a weakly prime, because it can be changed into another prime (20012211005219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006105500609 + 10006105500610.

It is an arithmetic number, because the mean of its divisors is an integer number (10006105500610).

Almost surely, 2^{20012211001219} is an apocalyptic number.

20012211001219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012211001219 is an equidigital number, since it uses as much as digits as its factorization.

20012211001219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 20012211001219 in words is "twenty trillion, twelve billion, two hundred eleven million, one thousand, two hundred nineteen".