221210324342 has 16 divisors (see below), whose sum is σ = 379327287552. Its totient is φ = 94777027560.

The previous prime is 221210324197. The next prime is 221210324389. The reversal of 221210324342 is 243423012122.

221210324342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232884 + ... + 2329847.

It is an arithmetic number, because the mean of its divisors is an integer number (23707955472).

Almost surely, 2^221210324342 is an apocalyptic number.

221210324342 is a deficient number, since it is larger than the sum of its proper divisors (158116963210).

221210324342 is a wasteful number, since it uses less digits than its factorization.

221210324342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566203.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 221210324342 its reverse (243423012122), we get a palindrome (464633336464).

The spelling of 221210324342 in words is "two hundred twenty-one billion, two hundred ten million, three hundred twenty-four thousand, three hundred forty-two".