11321010001121 has 2 divisors, whose sum is σ = 11321010001122. Its totient is φ = 11321010001120.

The previous prime is 11321010001001. The next prime is 11321010001123. The reversal of 11321010001121 is 12110001012311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11031937102096 + 289072899025 = 3321436^2 + 537655^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321010001121 - 2³⁰ = 11319936259297 is a prime.

Together with 11321010001123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11321010001096 and 11321010001105.

It is not a weakly prime, because it can be changed into another prime (11321010001123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660505000560 + 5660505000561.

It is an arithmetic number, because the mean of its divisors is an integer number (5660505000561).

Almost surely, 2^{11321010001121} is an apocalyptic number.

It is an amenable number.

11321010001121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321010001121 is an equidigital number, since it uses as much as digits as its factorization.

11321010001121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11321010001121 its reverse (12110001012311), we get a palindrome (23431011013432).

The spelling of 11321010001121 in words is "eleven trillion, three hundred twenty-one billion, ten million, one thousand, one hundred twenty-one".