242130202140201 has 4 divisors (see below), whose sum is σ = 322840269520272. Its totient is φ = 161420134760132.

The previous prime is 242130202140193. The next prime is 242130202140217. The reversal of 242130202140201 is 102041202031242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242130202140201 - 2³ = 242130202140193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242130202140401) 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 in 3 ways as a sum of consecutive naturals, for example, 40355033690031 + ... + 40355033690036.

It is an arithmetic number, because the mean of its divisors is an integer number (80710067380068).

Almost surely, 2^{242130202140201} is an apocalyptic number.

It is an amenable number.

242130202140201 is a deficient number, since it is larger than the sum of its proper divisors (80710067380071).

242130202140201 is an equidigital number, since it uses as much as digits as its factorization.

242130202140201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80710067380070.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 242130202140201 its reverse (102041202031242), we get a palindrome (344171404171443).

The spelling of 242130202140201 in words is "two hundred forty-two trillion, one hundred thirty billion, two hundred two million, one hundred forty thousand, two hundred one".