1111221119 has 2 divisors, whose sum is σ = 1111221120. Its totient is φ = 1111221118.

The previous prime is 1111221113. The next prime is 1111221157. The reversal of 1111221119 is 9111221111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111221119 - 2⁸ = 1111220863 is a prime.

It is a super-2 number, since 2×1111221119² = 2469624750623224322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111221119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111221113) 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, 555610559 + 555610560.

It is an arithmetic number, because the mean of its divisors is an integer number (555610560).

Almost surely, 2^1111221119 is an apocalyptic number.

1111221119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111221119 is an equidigital number, since it uses as much as digits as its factorization.

1111221119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36, while the sum is 20.

The square root of 1111221119 is about 33334.9834108253. The cubic root of 1111221119 is about 1035.7783495321.

The spelling of 1111221119 in words is "one billion, one hundred eleven million, two hundred twenty-one thousand, one hundred nineteen".