242120001423301 has 2 divisors, whose sum is σ = 242120001423302. Its totient is φ = 242120001423300.

The previous prime is 242120001423299. The next prime is 242120001423337. The reversal of 242120001423301 is 103324100021242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223210323050625 + 18909678372676 = 14940225^2 + 4348526^2 .

It is a cyclic number.

It is not a de Polignac number, because 242120001423301 - 2¹ = 242120001423299 is a prime.

Together with 242120001423299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242120001423401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121060000711650 + 121060000711651.

It is an arithmetic number, because the mean of its divisors is an integer number (121060000711651).

Almost surely, 2^{242120001423301} is an apocalyptic number.

It is an amenable number.

242120001423301 is a deficient number, since it is larger than the sum of its proper divisors (1).

242120001423301 is an equidigital number, since it uses as much as digits as its factorization.

242120001423301 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 242120001423301 its reverse (103324100021242), we get a palindrome (345444101444543).

The spelling of 242120001423301 in words is "two hundred forty-two trillion, one hundred twenty billion, one million, four hundred twenty-three thousand, three hundred one".