11243223011 has 2 divisors, whose sum is σ = 11243223012. Its totient is φ = 11243223010.

The previous prime is 11243222983. The next prime is 11243223023. The reversal of 11243223011 is 11032234211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11243223011 - 2¹⁴ = 11243206627 is a prime.

It is a super-2 number, since 2×11243223011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11243223031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621611505 + 5621611506.

It is an arithmetic number, because the mean of its divisors is an integer number (5621611506).

Almost surely, 2^11243223011 is an apocalyptic number.

11243223011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243223011 is an equidigital number, since it uses as much as digits as its factorization.

11243223011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11243223011 its reverse (11032234211), we get a palindrome (22275457222).

The spelling of 11243223011 in words is "eleven billion, two hundred forty-three million, two hundred twenty-three thousand, eleven".