11331122231201 has 2 divisors, whose sum is σ = 11331122231202. Its totient is φ = 11331122231200.

The previous prime is 11331122231179. The next prime is 11331122231203. The reversal of 11331122231201 is 10213222113311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7829788926976 + 3501333304225 = 2798176^2 + 1871185^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331122231201 - 2⁶ = 11331122231137 is a prime.

It is a super-5 number, since 5×11331122231201⁵ (a number of 66 digits) contains 55555 as substring.

Together with 11331122231203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11331122231203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665561115600 + 5665561115601.

It is an arithmetic number, because the mean of its divisors is an integer number (5665561115601).

Almost surely, 2^{11331122231201} is an apocalyptic number.

It is an amenable number.

11331122231201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331122231201 is an equidigital number, since it uses as much as digits as its factorization.

11331122231201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11331122231201 its reverse (10213222113311), we get a palindrome (21544344344512).

The spelling of 11331122231201 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred one".