1122111019 has 2 divisors, whose sum is σ = 1122111020. Its totient is φ = 1122111018.

The previous prime is 1122111013. The next prime is 1122111037. The reversal of 1122111019 is 9101112211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122111019 - 2¹¹ = 1122108971 is a prime.

It is a super-2 number, since 2×1122111019² = 2518266277922436722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122110987 and 1122111005.

It is not a weakly prime, because it can be changed into another prime (1122111013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561055509 + 561055510.

It is an arithmetic number, because the mean of its divisors is an integer number (561055510).

Almost surely, 2^1122111019 is an apocalyptic number.

1122111019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122111019 is an equidigital number, since it uses as much as digits as its factorization.

1122111019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

The square root of 1122111019 is about 33497.9255924901. The cubic root of 1122111019 is about 1039.1508783495.

The spelling of 1122111019 in words is "one billion, one hundred twenty-two million, one hundred eleven thousand, nineteen".