241765202652221 has 2 divisors, whose sum is σ = 241765202652222. Its totient is φ = 241765202652220.

The previous prime is 241765202652161. The next prime is 241765202652293. The reversal of 241765202652221 is 122256202567142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197157684451225 + 44607518200996 = 14041285^2 + 6678886^2 .

It is a cyclic number.

It is not a de Polignac number, because 241765202652221 - 2⁶ = 241765202652157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241765208652221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120882601326110 + 120882601326111.

It is an arithmetic number, because the mean of its divisors is an integer number (120882601326111).

Almost surely, 2^{241765202652221} is an apocalyptic number.

It is an amenable number.

241765202652221 is a deficient number, since it is larger than the sum of its proper divisors (1).

241765202652221 is an equidigital number, since it uses as much as digits as its factorization.

241765202652221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 241765202652221 in words is "two hundred forty-one trillion, seven hundred sixty-five billion, two hundred two million, six hundred fifty-two thousand, two hundred twenty-one".