1223111119 has 2 divisors, whose sum is σ = 1223111120. Its totient is φ = 1223111118.

The previous prime is 1223111083. The next prime is 1223111137. The reversal of 1223111119 is 9111113221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223111119 - 2¹⁷ = 1222980047 is a prime.

It is a super-2 number, since 2×1223111119² = 2992001618842864322, 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 1223111119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223111159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611555559 + 611555560.

It is an arithmetic number, because the mean of its divisors is an integer number (611555560).

Almost surely, 2^1223111119 is an apocalyptic number.

1223111119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223111119 is an equidigital number, since it uses as much as digits as its factorization.

1223111119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 22.

The square root of 1223111119 is about 34973.0055757294. The cubic root of 1223111119 is about 1069.4372441815.

The spelling of 1223111119 in words is "one billion, two hundred twenty-three million, one hundred eleven thousand, one hundred nineteen".