11330000000021 has 2 divisors, whose sum is σ = 11330000000022. Its totient is φ = 11330000000020.

The previous prime is 11330000000009. The next prime is 11330000000027. The reversal of 11330000000021 is 12000000003311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8899565769796 + 2430434230225 = 2983214^2 + 1558985^2 .

It is a cyclic number.

It is not a de Polignac number, because 11330000000021 - 2¹⁸ = 11329999737877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11330000000027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665000000010 + 5665000000011.

It is an arithmetic number, because the mean of its divisors is an integer number (5665000000011).

Almost surely, 2^{11330000000021} is an apocalyptic number.

It is an amenable number.

11330000000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11330000000021 is an equidigital number, since it uses as much as digits as its factorization.

11330000000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 11330000000021 its reverse (12000000003311), we get a palindrome (23330000003332).

The spelling of 11330000000021 in words is "eleven trillion, three hundred thirty billion, twenty-one", and thus it is an aban number.