11221043 has 2 divisors, whose sum is σ = 11221044. Its totient is φ = 11221042.

The previous prime is 11221009. The next prime is 11221051. The reversal of 11221043 is 34012211.

11221043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221043 is a prime.

It is not a weakly prime, because it can be changed into another prime (11221643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610521 + 5610522.

It is an arithmetic number, because the mean of its divisors is an integer number (5610522).

Almost surely, 2^11221043 is an apocalyptic number.

11221043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221043 is an equidigital number, since it uses as much as digits as its factorization.

11221043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11221043 is about 3349.7825302548. The cubic root of 11221043 is about 223.8778232008.

Adding to 11221043 its reverse (34012211), we get a palindrome (45233254).

The spelling of 11221043 in words is "eleven million, two hundred twenty-one thousand, forty-three".