42343210203221 has 8 divisors (see below), whose sum is σ = 42541197348000. Its totient is φ = 42145336818000.

The previous prime is 42343210203193. The next prime is 42343210203223. The reversal of 42343210203221 is 12230201234324.

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-42343210203221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42343210203223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27693671 + ... + 29182628.

It is an arithmetic number, because the mean of its divisors is an integer number (5317649668500).

Almost surely, 2^{42343210203221} is an apocalyptic number.

It is an amenable number.

42343210203221 is a deficient number, since it is larger than the sum of its proper divisors (197987144779).

42343210203221 is a wasteful number, since it uses less digits than its factorization.

42343210203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56879779.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42343210203221 its reverse (12230201234324), we get a palindrome (54573411437545).

The spelling of 42343210203221 in words is "forty-two trillion, three hundred forty-three billion, two hundred ten million, two hundred three thousand, two hundred twenty-one".