33304412202421 has 2 divisors, whose sum is σ = 33304412202422. Its totient is φ = 33304412202420.

The previous prime is 33304412202403. The next prime is 33304412202497. The reversal of 33304412202421 is 12420221440333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28897397896900 + 4407014305521 = 5375630^2 + 2099289^2 .

It is a cyclic number.

It is not a de Polignac number, because 33304412202421 - 2⁹ = 33304412201909 is a prime.

It is a super-2 number, since 2×33304412202421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33304412202521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16652206101210 + 16652206101211.

It is an arithmetic number, because the mean of its divisors is an integer number (16652206101211).

Almost surely, 2^{33304412202421} is an apocalyptic number.

It is an amenable number.

33304412202421 is a deficient number, since it is larger than the sum of its proper divisors (1).

33304412202421 is an equidigital number, since it uses as much as digits as its factorization.

33304412202421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 33304412202421 its reverse (12420221440333), we get a palindrome (45724633642754).

The spelling of 33304412202421 in words is "thirty-three trillion, three hundred four billion, four hundred twelve million, two hundred two thousand, four hundred twenty-one".