242120314211 has 4 divisors (see below), whose sum is σ = 245734050312. Its totient is φ = 238506578112.

The previous prime is 242120314199. The next prime is 242120314223. The reversal of 242120314211 is 112413021242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112413021242 = 2 ⋅56206510621.

It is an interprime number because it is at equal distance from previous prime (242120314199) and next prime (242120314223).

It is a cyclic number.

It is not a de Polignac number, because 242120314211 - 2⁶ = 242120314147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242120314291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1806867950 + ... + 1806868083.

It is an arithmetic number, because the mean of its divisors is an integer number (61433512578).

Almost surely, 2^242120314211 is an apocalyptic number.

242120314211 is a deficient number, since it is larger than the sum of its proper divisors (3613736101).

242120314211 is an equidigital number, since it uses as much as digits as its factorization.

242120314211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613736100.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 242120314211 its reverse (112413021242), we get a palindrome (354533335453).

The spelling of 242120314211 in words is "two hundred forty-two billion, one hundred twenty million, three hundred fourteen thousand, two hundred eleven".