11321422288381 has 2 divisors, whose sum is σ = 11321422288382. Its totient is φ = 11321422288380.

The previous prime is 11321422288313. The next prime is 11321422288409. The reversal of 11321422288381 is 18388222412311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7268685602500 + 4052736685881 = 2696050^2 + 2013141^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321422288381 - 2⁹ = 11321422287869 is a prime.

It is a super-2 number, since 2×11321422288381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321422258381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660711144190 + 5660711144191.

It is an arithmetic number, because the mean of its divisors is an integer number (5660711144191).

Almost surely, 2^{11321422288381} is an apocalyptic number.

It is an amenable number.

11321422288381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321422288381 is an equidigital number, since it uses as much as digits as its factorization.

11321422288381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294912, while the sum is 46.

The spelling of 11321422288381 in words is "eleven trillion, three hundred twenty-one billion, four hundred twenty-two million, two hundred eighty-eight thousand, three hundred eighty-one".