242124301221 has 32 divisors (see below), whose sum is σ = 362654246400. Its totient is φ = 142399010880.

The previous prime is 242124301207. The next prime is 242124301253. The reversal of 242124301221 is 122103421242.

It is not a de Polignac number, because 242124301221 - 2⁵ = 242124301189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242124301191 and 242124301200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242124301271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201150 + ... + 724368.

It is an arithmetic number, because the mean of its divisors is an integer number (11332945200).

Almost surely, 2^242124301221 is an apocalyptic number.

It is an amenable number.

242124301221 is a deficient number, since it is larger than the sum of its proper divisors (120529945179).

242124301221 is a wasteful number, since it uses less digits than its factorization.

242124301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523649.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 242124301221 its reverse (122103421242), we get a palindrome (364227722463).

It can be divided in two parts, 242124 and 301221, that added together give a palindrome (543345).

The spelling of 242124301221 in words is "two hundred forty-two billion, one hundred twenty-four million, three hundred one thousand, two hundred twenty-one".