11213443019 has 2 divisors, whose sum is σ = 11213443020. Its totient is φ = 11213443018.

The previous prime is 11213442997. The next prime is 11213443061. The reversal of 11213443019 is 91034431211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11213443019 - 2¹² = 11213438923 is a prime.

It is a super-2 number, since 2×11213443019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11213442982 and 11213443000.

It is not a weakly prime, because it can be changed into another prime (11213440019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606721509 + 5606721510.

It is an arithmetic number, because the mean of its divisors is an integer number (5606721510).

Almost surely, 2^11213443019 is an apocalyptic number.

11213443019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213443019 is an equidigital number, since it uses as much as digits as its factorization.

11213443019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 11213443019 in words is "eleven billion, two hundred thirteen million, four hundred forty-three thousand, nineteen".