203121043200241 has 2 divisors, whose sum is σ = 203121043200242. Its totient is φ = 203121043200240.

The previous prime is 203121043200209. The next prime is 203121043200319. The reversal of 203121043200241 is 142002340121302.

203121043200241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197668724799841 + 5452318400400 = 14059471^2 + 2335020^2 .

It is a cyclic number.

It is not a de Polignac number, because 203121043200241 - 2⁵ = 203121043200209 is a prime.

It is not a weakly prime, because it can be changed into another prime (203121043270241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101560521600120 + 101560521600121.

It is an arithmetic number, because the mean of its divisors is an integer number (101560521600121).

Almost surely, 2^{203121043200241} is an apocalyptic number.

It is an amenable number.

203121043200241 is a deficient number, since it is larger than the sum of its proper divisors (1).

203121043200241 is an equidigital number, since it uses as much as digits as its factorization.

203121043200241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 203121043200241 its reverse (142002340121302), we get a palindrome (345123383321543).

The spelling of 203121043200241 in words is "two hundred three trillion, one hundred twenty-one billion, forty-three million, two hundred thousand, two hundred forty-one".