1121111119 has 2 divisors, whose sum is σ = 1121111120. Its totient is φ = 1121111118.

The previous prime is 1121111111. The next prime is 1121111161. The reversal of 1121111119 is 9111111211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121111119 - 2³ = 1121111111 is a prime.

It is a super-2 number, since 2×1121111119² = 2513780282290864322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121111096 and 1121111105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121111111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560555559 + 560555560.

It is an arithmetic number, because the mean of its divisors is an integer number (560555560).

Almost surely, 2^1121111119 is an apocalyptic number.

1121111119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121111119 is an equidigital number, since it uses as much as digits as its factorization.

1121111119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18, while the sum is 19.

The square root of 1121111119 is about 33482.9974613982. The cubic root of 1121111119 is about 1038.8421282271.

The spelling of 1121111119 in words is "one billion, one hundred twenty-one million, one hundred eleven thousand, one hundred nineteen".