203331221994941 has 2 divisors, whose sum is σ = 203331221994942. Its totient is φ = 203331221994940.

The previous prime is 203331221994931. The next prime is 203331221995007. The reversal of 203331221994941 is 149499122133302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117339373228900 + 85991848766041 = 10832330^2 + 9273179^2 .

It is a cyclic number.

It is not a de Polignac number, because 203331221994941 - 2³⁴ = 203314042125757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203331221994931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101665610997470 + 101665610997471.

It is an arithmetic number, because the mean of its divisors is an integer number (101665610997471).

Almost surely, 2^{203331221994941} is an apocalyptic number.

It is an amenable number.

203331221994941 is a deficient number, since it is larger than the sum of its proper divisors (1).

203331221994941 is an equidigital number, since it uses as much as digits as its factorization.

203331221994941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 203331221994941 in words is "two hundred three trillion, three hundred thirty-one billion, two hundred twenty-one million, nine hundred ninety-four thousand, nine hundred forty-one".