30033033320221 has 2 divisors, whose sum is σ = 30033033320222. Its totient is φ = 30033033320220.

The previous prime is 30033033320201. The next prime is 30033033320267. The reversal of 30033033320221 is 12202333033003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17738290539225 + 12294742780996 = 4211685^2 + 3506386^2 .

It is a cyclic number.

It is not a de Polignac number, because 30033033320221 - 2¹⁹ = 30033032795933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30033033320201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016516660110 + 15016516660111.

It is an arithmetic number, because the mean of its divisors is an integer number (15016516660111).

Almost surely, 2^{30033033320221} is an apocalyptic number.

It is an amenable number.

30033033320221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30033033320221 is an equidigital number, since it uses as much as digits as its factorization.

30033033320221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 30033033320221 its reverse (12202333033003), we get a palindrome (42235366353224).

The spelling of 30033033320221 in words is "thirty trillion, thirty-three billion, thirty-three million, three hundred twenty thousand, two hundred twenty-one".