242112144421 has 8 divisors (see below), whose sum is σ = 276708358080. Its totient is φ = 207518121888.

The previous prime is 242112144419. The next prime is 242112144509. The reversal of 242112144421 is 124441211242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242112144421 - 2¹ = 242112144419 is a prime.

It is a super-2 number, since 2×242112144421² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242112144421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242112144221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303751 + ... + 759268.

It is an arithmetic number, because the mean of its divisors is an integer number (34588544760).

Almost surely, 2^242112144421 is an apocalyptic number.

It is an amenable number.

242112144421 is a deficient number, since it is larger than the sum of its proper divisors (34596213659).

242112144421 is a wasteful number, since it uses less digits than its factorization.

242112144421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095563.

The product of its digits is 4096, while the sum is 28.

Adding to 242112144421 its reverse (124441211242), we get a palindrome (366553355663).

The spelling of 242112144421 in words is "two hundred forty-two billion, one hundred twelve million, one hundred forty-four thousand, four hundred twenty-one".