33030201101221 has 2 divisors, whose sum is σ = 33030201101222. Its totient is φ = 33030201101220.

The previous prime is 33030201101203. The next prime is 33030201101231. The reversal of 33030201101221 is 12210110203033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20802492950625 + 12227708150596 = 4560975^2 + 3496814^2 .

It is a cyclic number.

It is not a de Polignac number, because 33030201101221 - 2¹⁷ = 33030200970149 is a prime.

It is a super-2 number, since 2×33030201101221² (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 (33030201101231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16515100550610 + 16515100550611.

It is an arithmetic number, because the mean of its divisors is an integer number (16515100550611).

Almost surely, 2^{33030201101221} is an apocalyptic number.

It is an amenable number.

33030201101221 is a deficient number, since it is larger than the sum of its proper divisors (1).

33030201101221 is an equidigital number, since it uses as much as digits as its factorization.

33030201101221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33030201101221 its reverse (12210110203033), we get a palindrome (45240311304254).

The spelling of 33030201101221 in words is "thirty-three trillion, thirty billion, two hundred one million, one hundred one thousand, two hundred twenty-one".