221230202033 has 2 divisors, whose sum is σ = 221230202034. Its totient is φ = 221230202032.

The previous prime is 221230201957. The next prime is 221230202047. The reversal of 221230202033 is 330202032122.

221230202033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204442335409 + 16787866624 = 452153^2 + 129568^2 .

It is a cyclic number.

It is not a de Polignac number, because 221230202033 - 2²⁸ = 220961766577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221230201996 and 221230202014.

It is not a weakly prime, because it can be changed into another prime (221230204033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110615101016 + 110615101017.

It is an arithmetic number, because the mean of its divisors is an integer number (110615101017).

Almost surely, 2^221230202033 is an apocalyptic number.

It is an amenable number.

221230202033 is a deficient number, since it is larger than the sum of its proper divisors (1).

221230202033 is an equidigital number, since it uses as much as digits as its factorization.

221230202033 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 20.

Adding to 221230202033 its reverse (330202032122), we get a palindrome (551432234155).

The spelling of 221230202033 in words is "two hundred twenty-one billion, two hundred thirty million, two hundred two thousand, thirty-three".