242122312141 has 4 divisors (see below), whose sum is σ = 242379616284. Its totient is φ = 241865008000.

The previous prime is 242122312121. The next prime is 242122312147. The reversal of 242122312141 is 141213221242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50882276041 + 191240036100 = 225571^2 + 437310^2 .

It is a cyclic number.

It is not a de Polignac number, because 242122312141 - 2²³ = 242113923533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242122312147) 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, 128650660 + ... + 128652541.

It is an arithmetic number, because the mean of its divisors is an integer number (60594904071).

Almost surely, 2^242122312141 is an apocalyptic number.

It is an amenable number.

242122312141 is a deficient number, since it is larger than the sum of its proper divisors (257304143).

242122312141 is an equidigital number, since it uses as much as digits as its factorization.

242122312141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257304142.

The product of its digits is 1536, while the sum is 25.

Adding to 242122312141 its reverse (141213221242), we get a palindrome (383335533383).

The spelling of 242122312141 in words is "two hundred forty-two billion, one hundred twenty-two million, three hundred twelve thousand, one hundred forty-one".