22330003121 has 2 divisors, whose sum is σ = 22330003122. Its totient is φ = 22330003120.

The previous prime is 22330003117. The next prime is 22330003127. The reversal of 22330003121 is 12130003322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12782563600 + 9547439521 = 113060^2 + 97711^2 .

It is a cyclic number.

It is not a de Polignac number, because 22330003121 - 2² = 22330003117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22330003121.

It is not a weakly prime, because it can be changed into another prime (22330003127) 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, 11165001560 + 11165001561.

It is an arithmetic number, because the mean of its divisors is an integer number (11165001561).

Almost surely, 2^22330003121 is an apocalyptic number.

It is an amenable number.

22330003121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22330003121 is an equidigital number, since it uses as much as digits as its factorization.

22330003121 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 17.

Adding to 22330003121 its reverse (12130003322), we get a palindrome (34460006443).

The spelling of 22330003121 in words is "twenty-two billion, three hundred thirty million, three thousand, one hundred twenty-one".