211111222219 has 2 divisors, whose sum is σ = 211111222220. Its totient is φ = 211111222218.

The previous prime is 211111222151. The next prime is 211111222261. The reversal of 211111222219 is 912222111112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211111222219 - 2¹¹ = 211111220171 is a prime.

It is a super-2 number, since 2×211111222219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211111222193 and 211111222202.

It is not a weakly prime, because it can be changed into another prime (211111220219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105555611109 + 105555611110.

It is an arithmetic number, because the mean of its divisors is an integer number (105555611110).

Almost surely, 2^211111222219 is an apocalyptic number.

211111222219 is a deficient number, since it is larger than the sum of its proper divisors (1).

211111222219 is an equidigital number, since it uses as much as digits as its factorization.

211111222219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 25.

The spelling of 211111222219 in words is "two hundred eleven billion, one hundred eleven million, two hundred twenty-two thousand, two hundred nineteen".