211144122019 has 2 divisors, whose sum is σ = 211144122020. Its totient is φ = 211144122018.

The previous prime is 211144121999. The next prime is 211144122031. The reversal of 211144122019 is 910221441112.

It is a happy number.

211144122019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211144122019 - 2¹¹ = 211144119971 is a prime.

It is a super-2 number, since 2×211144122019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211144122419) 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, 105572061009 + 105572061010.

It is an arithmetic number, because the mean of its divisors is an integer number (105572061010).

Almost surely, 2^211144122019 is an apocalyptic number.

211144122019 is a deficient number, since it is larger than the sum of its proper divisors (1).

211144122019 is an equidigital number, since it uses as much as digits as its factorization.

211144122019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 211144122019 in words is "two hundred eleven billion, one hundred forty-four million, one hundred twenty-two thousand, nineteen".