242120524201 has 2 divisors, whose sum is σ = 242120524202. Its totient is φ = 242120524200.

The previous prime is 242120524183. The next prime is 242120524211. The reversal of 242120524201 is 102425021242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239062323600 + 3058200601 = 488940^2 + 55301^2 .

It is a cyclic number.

It is not a de Polignac number, because 242120524201 - 2¹¹ = 242120522153 is a prime.

It is not a weakly prime, because it can be changed into another prime (242120524211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121060262100 + 121060262101.

It is an arithmetic number, because the mean of its divisors is an integer number (121060262101).

Almost surely, 2^242120524201 is an apocalyptic number.

It is an amenable number.

242120524201 is a deficient number, since it is larger than the sum of its proper divisors (1).

242120524201 is an equidigital number, since it uses as much as digits as its factorization.

242120524201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 242120524201 its reverse (102425021242), we get a palindrome (344545545443).

The spelling of 242120524201 in words is "two hundred forty-two billion, one hundred twenty million, five hundred twenty-four thousand, two hundred one".