11331330430421 has 2 divisors, whose sum is σ = 11331330430422. Its totient is φ = 11331330430420.

The previous prime is 11331330430411. The next prime is 11331330430429. The reversal of 11331330430421 is 12403403313311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10849019626225 + 482310804196 = 3293785^2 + 694486^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331330430421 - 2²⁶ = 11331263321557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331330430429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665665215210 + 5665665215211.

It is an arithmetic number, because the mean of its divisors is an integer number (5665665215211).

Almost surely, 2^{11331330430421} is an apocalyptic number.

It is an amenable number.

11331330430421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331330430421 is an equidigital number, since it uses as much as digits as its factorization.

11331330430421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 11331330430421 its reverse (12403403313311), we get a palindrome (23734733743732).

The spelling of 11331330430421 in words is "eleven trillion, three hundred thirty-one billion, three hundred thirty million, four hundred thirty thousand, four hundred twenty-one".