11331123221189 has 2 divisors, whose sum is σ = 11331123221190. Its totient is φ = 11331123221188.

The previous prime is 11331123221107. The next prime is 11331123221203. The reversal of 11331123221189 is 98112232113311.

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., 6390430084900 + 4940693136289 = 2527930^2 + 2222767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331123221189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331323221189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665561610594 + 5665561610595.

It is an arithmetic number, because the mean of its divisors is an integer number (5665561610595).

Almost surely, 2^{11331123221189} is an apocalyptic number.

It is an amenable number.

11331123221189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331123221189 is an equidigital number, since it uses as much as digits as its factorization.

11331123221189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 38.

The spelling of 11331123221189 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred eighty-nine".