11321121323011 has 2 divisors, whose sum is σ = 11321121323012. Its totient is φ = 11321121323010.

The previous prime is 11321121322993. The next prime is 11321121323077. The reversal of 11321121323011 is 11032312112311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11321121323011 - 2³¹ = 11318973839363 is a prime.

It is a super-3 number, since 3×11321121323011³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (11321121323711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660560661505 + 5660560661506.

It is an arithmetic number, because the mean of its divisors is an integer number (5660560661506).

Almost surely, 2^{11321121323011} is an apocalyptic number.

11321121323011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321121323011 is an equidigital number, since it uses as much as digits as its factorization.

11321121323011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11321121323011 its reverse (11032312112311), we get a palindrome (22353433435322).

The spelling of 11321121323011 in words is "eleven trillion, three hundred twenty-one billion, one hundred twenty-one million, three hundred twenty-three thousand, eleven".