1003221232301 has 2 divisors, whose sum is σ = 1003221232302. Its totient is φ = 1003221232300.

The previous prime is 1003221232261. The next prime is 1003221232303. The reversal of 1003221232301 is 1032321223001.

1003221232301 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., 519626164201 + 483595068100 = 720851^2 + 695410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003221232301 is a prime.

Together with 1003221232303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003221232303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501610616150 + 501610616151.

It is an arithmetic number, because the mean of its divisors is an integer number (501610616151).

Almost surely, 2^{1003221232301} is an apocalyptic number.

It is an amenable number.

1003221232301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003221232301 is an equidigital number, since it uses as much as digits as its factorization.

1003221232301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1003221232301 its reverse (1032321223001), we get a palindrome (2035542455302).

The spelling of 1003221232301 in words is "one trillion, three billion, two hundred twenty-one million, two hundred thirty-two thousand, three hundred one".