11221440343 has 2 divisors, whose sum is σ = 11221440344. Its totient is φ = 11221440342.

The previous prime is 11221440323. The next prime is 11221440431. The reversal of 11221440343 is 34304412211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221440343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221440323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610720171 + 5610720172.

It is an arithmetic number, because the mean of its divisors is an integer number (5610720172).

Almost surely, 2^11221440343 is an apocalyptic number.

11221440343 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221440343 is an equidigital number, since it uses as much as digits as its factorization.

11221440343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11221440343 its reverse (34304412211), we get a palindrome (45525852554).

The spelling of 11221440343 in words is "eleven billion, two hundred twenty-one million, four hundred forty thousand, three hundred forty-three".