20003221032103 has 2 divisors, whose sum is σ = 20003221032104. Its totient is φ = 20003221032102.

The previous prime is 20003221032061. The next prime is 20003221032191. The reversal of 20003221032103 is 30123012230002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20003221032103 - 2⁴¹ = 17804197776551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20003221062103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001610516051 + 10001610516052.

It is an arithmetic number, because the mean of its divisors is an integer number (10001610516052).

Almost surely, 2^{20003221032103} is an apocalyptic number.

20003221032103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003221032103 is an equidigital number, since it uses as much as digits as its factorization.

20003221032103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20003221032103 its reverse (30123012230002), we get a palindrome (50126233262105).

The spelling of 20003221032103 in words is "twenty trillion, three billion, two hundred twenty-one million, thirty-two thousand, one hundred three".