1111230019 has 2 divisors, whose sum is σ = 1111230020. Its totient is φ = 1111230018.

The previous prime is 1111229993. The next prime is 1111230047. The reversal of 1111230019 is 9100321111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111230019 - 2¹³ = 1111221827 is a prime.

It is a super-2 number, since 2×1111230019² = 2469664310253480722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111229978 and 1111230005.

It is not a weakly prime, because it can be changed into another prime (1111230049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555615009 + 555615010.

It is an arithmetic number, because the mean of its divisors is an integer number (555615010).

Almost surely, 2^1111230019 is an apocalyptic number.

1111230019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111230019 is an equidigital number, since it uses as much as digits as its factorization.

1111230019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1111230019 is about 33335.1169039498. The cubic root of 1111230019 is about 1035.7811147791.

The spelling of 1111230019 in words is "one billion, one hundred eleven million, two hundred thirty thousand, nineteen".