11331132002821 has 2 divisors, whose sum is σ = 11331132002822. Its totient is φ = 11331132002820.

The previous prime is 11331132002807. The next prime is 11331132002833. The reversal of 11331132002821 is 12820023113311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8490457717921 + 2840674284900 = 2913839^2 + 1685430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331132002821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11331132002821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331132002521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665566001410 + 5665566001411.

It is an arithmetic number, because the mean of its divisors is an integer number (5665566001411).

Almost surely, 2^{11331132002821} is an apocalyptic number.

It is an amenable number.

11331132002821 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331132002821 is an equidigital number, since it uses as much as digits as its factorization.

11331132002821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 11331132002821 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-two million, two thousand, eight hundred twenty-one".