321022442043102 has 128 divisors (see below), whose sum is σ = 649845343420416. Its totient is φ = 105718334464512.

The previous prime is 321022442043077. The next prime is 321022442043161. The reversal of 321022442043102 is 201340244220123.

It is a self number, because there is not a number n which added to its sum of digits gives 321022442043102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193038148323 + ... + 193038149985.

It is an arithmetic number, because the mean of its divisors is an integer number (5076916745472).

Almost surely, 2^{321022442043102} is an apocalyptic number.

321022442043102 is an abundant number, since it is smaller than the sum of its proper divisors (328822901377314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321022442043102 is a wasteful number, since it uses less digits than its factorization.

321022442043102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 321022442043102 its reverse (201340244220123), we get a palindrome (522362686263225).

The spelling of 321022442043102 in words is "three hundred twenty-one trillion, twenty-two billion, four hundred forty-two million, forty-three thousand, one hundred two".