342141243221 has 8 divisors (see below), whose sum is σ = 357027217344. Its totient is φ = 327256124800.

The previous prime is 342141243151. The next prime is 342141243233. The reversal of 342141243221 is 122342141243.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342141243221 is a prime.

It is a super-2 number, since 2×342141243221² (a number of 24 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 (342141243271) 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, 683246 + ... + 1072896.

It is an arithmetic number, because the mean of its divisors is an integer number (44628402168).

Almost surely, 2^342141243221 is an apocalyptic number.

It is an amenable number.

342141243221 is a deficient number, since it is larger than the sum of its proper divisors (14885974123).

342141243221 is a wasteful number, since it uses less digits than its factorization.

342141243221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427851.

The product of its digits is 9216, while the sum is 29.

Adding to 342141243221 its reverse (122342141243), we get a palindrome (464483384464).

The spelling of 342141243221 in words is "three hundred forty-two billion, one hundred forty-one million, two hundred forty-three thousand, two hundred twenty-one".