242003334032221 has 4 divisors (see below), whose sum is σ = 242009736444000. Its totient is φ = 241996931620444.

The previous prime is 242003334032191. The next prime is 242003334032233. The reversal of 242003334032221 is 122230433300242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242003334032221 - 2⁵ = 242003334032189 is a prime.

It is a super-2 number, since 2×242003334032221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242003334032821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3201149191 + ... + 3201224788.

It is an arithmetic number, because the mean of its divisors is an integer number (60502434111000).

Almost surely, 2^{242003334032221} is an apocalyptic number.

It is an amenable number.

242003334032221 is a deficient number, since it is larger than the sum of its proper divisors (6402411779).

242003334032221 is an equidigital number, since it uses as much as digits as its factorization.

242003334032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402411778.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 242003334032221 its reverse (122230433300242), we get a palindrome (364233767332463).

The spelling of 242003334032221 in words is "two hundred forty-two trillion, three billion, three hundred thirty-four million, thirty-two thousand, two hundred twenty-one".