2111222719 has 2 divisors, whose sum is σ = 2111222720. Its totient is φ = 2111222718.

The previous prime is 2111222683. The next prime is 2111222747. The reversal of 2111222719 is 9172221112.

It is an a-pointer prime, because the next prime (2111222747) can be obtained adding 2111222719 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111222719 is a prime.

It is a super-2 number, since 2×2111222719² = 8914522738443505922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111222759) 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, 1055611359 + 1055611360.

It is an arithmetic number, because the mean of its divisors is an integer number (1055611360).

Almost surely, 2^2111222719 is an apocalyptic number.

2111222719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111222719 is an equidigital number, since it uses as much as digits as its factorization.

2111222719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 28.

The square root of 2111222719 is about 45948.0436906731. The cubic root of 2111222719 is about 1282.8563165055.

The spelling of 2111222719 in words is "two billion, one hundred eleven million, two hundred twenty-two thousand, seven hundred nineteen".