203332221121013 has 2 divisors, whose sum is σ = 203332221121014. Its totient is φ = 203332221121012.

The previous prime is 203332221120979. The next prime is 203332221121039. The reversal of 203332221121013 is 310121122233302.

It is an a-pointer prime, because the next prime (203332221121039) can be obtained adding 203332221121013 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182758440117124 + 20573781003889 = 13518818^2 + 4535833^2 .

It is a cyclic number.

It is not a de Polignac number, because 203332221121013 - 2⁸ = 203332221120757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203332221121613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101666110560506 + 101666110560507.

It is an arithmetic number, because the mean of its divisors is an integer number (101666110560507).

Almost surely, 2^{203332221121013} is an apocalyptic number.

It is an amenable number.

203332221121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

203332221121013 is an equidigital number, since it uses as much as digits as its factorization.

203332221121013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 203332221121013 its reverse (310121122233302), we get a palindrome (513453343354315).

The spelling of 203332221121013 in words is "two hundred three trillion, three hundred thirty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, thirteen".