242323521442221 has 8 divisors (see below), whose sum is σ = 323108888051520. Its totient is φ = 161543584563872.

The previous prime is 242323521442199. The next prime is 242323521442259. The reversal of 242323521442221 is 122244125323242.

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

It is a cyclic number.

It is not a de Polignac number, because 242323521442221 - 2⁶ = 242323521442157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242323521442221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242323521462221) 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, 1357328601 + ... + 1357507118.

It is an arithmetic number, because the mean of its divisors is an integer number (40388611006440).

Almost surely, 2^{242323521442221} is an apocalyptic number.

It is an amenable number.

242323521442221 is a deficient number, since it is larger than the sum of its proper divisors (80785366609299).

242323521442221 is a wasteful number, since it uses less digits than its factorization.

242323521442221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714865475.

The product of its digits is 368640, while the sum is 39.

Adding to 242323521442221 its reverse (122244125323242), we get a palindrome (364567646765463).

The spelling of 242323521442221 in words is "two hundred forty-two trillion, three hundred twenty-three billion, five hundred twenty-one million, four hundred forty-two thousand, two hundred twenty-one".