242153223522201 has 6 divisors (see below), whose sum is σ = 349776878420970. Its totient is φ = 161435482348128.

The previous prime is 242153223522193. The next prime is 242153223522233. The reversal of 242153223522201 is 102225322351242.

242153223522201 is a `hidden beast` number, since 2 + 4 + 215 + 3 + 2 + 235 + 2 + 2 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 188085864513600 + 54067359008601 = 13714440^2 + 7353051^2 .

It is not a de Polignac number, because 242153223522201 - 2³ = 242153223522193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242153223512201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13452956862336 + ... + 13452956862353.

It is an arithmetic number, because the mean of its divisors is an integer number (58296146403495).

Almost surely, 2^{242153223522201} is an apocalyptic number.

It is an amenable number.

242153223522201 is a deficient number, since it is larger than the sum of its proper divisors (107623654898769).

242153223522201 is a wasteful number, since it uses less digits than its factorization.

242153223522201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26905913724695 (or 26905913724692 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 242153223522201 its reverse (102225322351242), we get a palindrome (344378545873443).

The spelling of 242153223522201 in words is "two hundred forty-two trillion, one hundred fifty-three billion, two hundred twenty-three million, five hundred twenty-two thousand, two hundred one".