11331123220267 has 2 divisors, whose sum is σ = 11331123220268. Its totient is φ = 11331123220266.

The previous prime is 11331123220247. The next prime is 11331123220279. The reversal of 11331123220267 is 76202232113311.

It is a strong prime.

It is an emirp because it is prime and its reverse (76202232113311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11331123220267 - 2²⁷ = 11330989002539 is a prime.

It is not a weakly prime, because it can be changed into another prime (11331123220237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665561610133 + 5665561610134.

It is an arithmetic number, because the mean of its divisors is an integer number (5665561610134).

Almost surely, 2^{11331123220267} is an apocalyptic number.

11331123220267 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331123220267 is an equidigital number, since it uses as much as digits as its factorization.

11331123220267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 11331123220267 its reverse (76202232113311), we get a palindrome (87533355333578).

The spelling of 11331123220267 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, two hundred twenty thousand, two hundred sixty-seven".