242130413221001 has 2 divisors, whose sum is σ = 242130413221002. Its totient is φ = 242130413221000.

The previous prime is 242130413220973. The next prime is 242130413221091. The reversal of 242130413221001 is 100122314031242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190711818924025 + 51418594296976 = 13809845^2 + 7170676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242130413221001 is a prime.

It is not a weakly prime, because it can be changed into another prime (242130413221091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121065206610500 + 121065206610501.

It is an arithmetic number, because the mean of its divisors is an integer number (121065206610501).

Almost surely, 2^{242130413221001} is an apocalyptic number.

It is an amenable number.

242130413221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

242130413221001 is an equidigital number, since it uses as much as digits as its factorization.

242130413221001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 242130413221001 its reverse (100122314031242), we get a palindrome (342252727252243).

The spelling of 242130413221001 in words is "two hundred forty-two trillion, one hundred thirty billion, four hundred thirteen million, two hundred twenty-one thousand, one".