11003221331 has 2 divisors, whose sum is σ = 11003221332. Its totient is φ = 11003221330.

The previous prime is 11003221319. The next prime is 11003221349. The reversal of 11003221331 is 13312230011.

It is a weak prime.

It is an emirp because it is prime and its reverse (13312230011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11003221331 - 2²² = 10999027027 is a prime.

It is a super-2 number, since 2×11003221331² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11003221301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501610665 + 5501610666.

It is an arithmetic number, because the mean of its divisors is an integer number (5501610666).

Almost surely, 2^11003221331 is an apocalyptic number.

11003221331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11003221331 is an equidigital number, since it uses as much as digits as its factorization.

11003221331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11003221331 its reverse (13312230011), we get a palindrome (24315451342).

The spelling of 11003221331 in words is "eleven billion, three million, two hundred twenty-one thousand, three hundred thirty-one".