22103042321 has 2 divisors, whose sum is σ = 22103042322. Its totient is φ = 22103042320.

The previous prime is 22103042261. The next prime is 22103042393. The reversal of 22103042321 is 12324030122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18242284096 + 3860758225 = 135064^2 + 62135^2 .

It is a cyclic number.

It is not a de Polignac number, because 22103042321 - 2¹⁸ = 22102780177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22103042293 and 22103042302.

It is not a weakly prime, because it can be changed into another prime (22103042821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051521160 + 11051521161.

It is an arithmetic number, because the mean of its divisors is an integer number (11051521161).

Almost surely, 2^22103042321 is an apocalyptic number.

It is an amenable number.

22103042321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22103042321 is an equidigital number, since it uses as much as digits as its factorization.

22103042321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22103042321 its reverse (12324030122), we get a palindrome (34427072443).

The spelling of 22103042321 in words is "twenty-two billion, one hundred three million, forty-two thousand, three hundred twenty-one".