242221204322311 has 8 divisors (see below), whose sum is σ = 250678370814480. Its totient is φ = 233771018574912.

The previous prime is 242221204322299. The next prime is 242221204322327. The reversal of 242221204322311 is 113223402122242.

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 242221204322311 - 2¹³ = 242221204314119 is a prime.

It is a super-2 number, since 2×242221204322311² (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 (242221204322371) 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, 1745115585 + ... + 1745254378.

It is an arithmetic number, because the mean of its divisors is an integer number (31334796351810).

Almost surely, 2^{242221204322311} is an apocalyptic number.

242221204322311 is a deficient number, since it is larger than the sum of its proper divisors (8457166492169).

242221204322311 is a wasteful number, since it uses less digits than its factorization.

242221204322311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490372385.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 242221204322311 its reverse (113223402122242), we get a palindrome (355444606444553).

The spelling of 242221204322311 in words is "two hundred forty-two trillion, two hundred twenty-one billion, two hundred four million, three hundred twenty-two thousand, three hundred eleven".