1003410320221 has 2 divisors, whose sum is σ = 1003410320222. Its totient is φ = 1003410320220.

The previous prime is 1003410320219. The next prime is 1003410320239. The reversal of 1003410320221 is 1220230143001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909188948196 + 94221372025 = 953514^2 + 306955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003410320221 - 2¹ = 1003410320219 is a prime.

It is a super-2 number, since 2×1003410320221² (a number of 25 digits) contains 22 as substring.

Together with 1003410320219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003410320621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501705160110 + 501705160111.

It is an arithmetic number, because the mean of its divisors is an integer number (501705160111).

Almost surely, 2^{1003410320221} is an apocalyptic number.

It is an amenable number.

1003410320221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003410320221 is an equidigital number, since it uses as much as digits as its factorization.

1003410320221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1003410320221 its reverse (1220230143001), we get a palindrome (2223640463222).

The spelling of 1003410320221 in words is "one trillion, three billion, four hundred ten million, three hundred twenty thousand, two hundred twenty-one".