11304033421 has 2 divisors, whose sum is σ = 11304033422. Its totient is φ = 11304033420.

The previous prime is 11304033383. The next prime is 11304033473. The reversal of 11304033421 is 12433040311.

11304033421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10462221225 + 841812196 = 102285^2 + 29014^2 .

It is a cyclic number.

It is not a de Polignac number, because 11304033421 - 2¹⁷ = 11303902349 is a prime.

It is a super-3 number, since 3×11304033421³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11304033392 and 11304033401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11304036421) 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, 5652016710 + 5652016711.

It is an arithmetic number, because the mean of its divisors is an integer number (5652016711).

Almost surely, 2^11304033421 is an apocalyptic number.

It is an amenable number.

11304033421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11304033421 is an equidigital number, since it uses as much as digits as its factorization.

11304033421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11304033421 its reverse (12433040311), we get a palindrome (23737073732).

The spelling of 11304033421 in words is "eleven billion, three hundred four million, thirty-three thousand, four hundred twenty-one".