11330143021 has 2 divisors, whose sum is σ = 11330143022. Its totient is φ = 11330143020.

The previous prime is 11330143007. The next prime is 11330143039. The reversal of 11330143021 is 12034103311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7316920521 + 4013222500 = 85539^2 + 63350^2 .

It is a cyclic number.

It is not a de Polignac number, because 11330143021 - 2³¹ = 9182659373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11330143021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11330143421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665071510 + 5665071511.

It is an arithmetic number, because the mean of its divisors is an integer number (5665071511).

Almost surely, 2^11330143021 is an apocalyptic number.

It is an amenable number.

11330143021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11330143021 is an equidigital number, since it uses as much as digits as its factorization.

11330143021 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 19.

Adding to 11330143021 its reverse (12034103311), we get a palindrome (23364246332).

The spelling of 11330143021 in words is "eleven billion, three hundred thirty million, one hundred forty-three thousand, twenty-one".