242122244131 has 4 divisors (see below), whose sum is σ = 242147425000. Its totient is φ = 242097063264.

The previous prime is 242122244113. The next prime is 242122244179. The reversal of 242122244131 is 131442221242.

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

It is a cyclic number.

It is not a de Polignac number, because 242122244131 - 2⁷ = 242122244003 is a prime.

It is a super-2 number, since 2×242122244131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242122244131.

It is not an unprimeable number, because it can be changed into a prime (242122244531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12576006 + ... + 12595243.

It is an arithmetic number, because the mean of its divisors is an integer number (60536856250).

Almost surely, 2^242122244131 is an apocalyptic number.

242122244131 is a deficient number, since it is larger than the sum of its proper divisors (25180869).

242122244131 is an equidigital number, since it uses as much as digits as its factorization.

242122244131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25180868.

The product of its digits is 6144, while the sum is 28.

Adding to 242122244131 its reverse (131442221242), we get a palindrome (373564465373).

The spelling of 242122244131 in words is "two hundred forty-two billion, one hundred twenty-two million, two hundred forty-four thousand, one hundred thirty-one".