242120530113 has 48 divisors (see below), whose sum is σ = 416843821056. Its totient is φ = 121439666880.

The previous prime is 242120530097. The next prime is 242120530121. The reversal of 242120530113 is 311035021242.

It is not a de Polignac number, because 242120530113 - 2⁴ = 242120530097 is a prime.

It is a super-2 number, since 2×242120530113² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242120530163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 428881 + ... + 817422.

It is an arithmetic number, because the mean of its divisors is an integer number (8684246272).

Almost surely, 2^242120530113 is an apocalyptic number.

It is an amenable number.

242120530113 is a deficient number, since it is larger than the sum of its proper divisors (174723290943).

242120530113 is a wasteful number, since it uses less digits than its factorization.

242120530113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246382 (or 1246353 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 242120530113 its reverse (311035021242), we get a palindrome (553155551355).

The spelling of 242120530113 in words is "two hundred forty-two billion, one hundred twenty million, five hundred thirty thousand, one hundred thirteen".