11220042343 has 4 divisors (see below), whose sum is σ = 11227579120. Its totient is φ = 11212505568.

The previous prime is 11220042289. The next prime is 11220042371. The reversal of 11220042343 is 34324002211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11220042343 - 2³³ = 2630107751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220012343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3766155 + ... + 3769132.

It is an arithmetic number, because the mean of its divisors is an integer number (2806894780).

Almost surely, 2^11220042343 is an apocalyptic number.

11220042343 is a deficient number, since it is larger than the sum of its proper divisors (7536777).

11220042343 is an equidigital number, since it uses as much as digits as its factorization.

11220042343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536776.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11220042343 its reverse (34324002211), we get a palindrome (45544044554).

The spelling of 11220042343 in words is "eleven billion, two hundred twenty million, forty-two thousand, three hundred forty-three".