321321212110122 has 256 divisors, whose sum is σ = 786853724160000. Its totient is φ = 85439520182016.

The previous prime is 321321212110099. The next prime is 321321212110139. The reversal of 321321212110122 is 221011212123123.

It is a super-3 number, since 3×321321212110122³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321321212110092 and 321321212110101.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10186751883 + ... + 10186783425.

It is an arithmetic number, because the mean of its divisors is an integer number (3073647360000).

Almost surely, 2^{321321212110122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321321212110122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393426862080000).

321321212110122 is an abundant number, since it is smaller than the sum of its proper divisors (465532512049878).

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

321321212110122 is a wasteful number, since it uses less digits than its factorization.

321321212110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32465.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 321321212110122 its reverse (221011212123123), we get a palindrome (542332424233245).

The spelling of 321321212110122 in words is "three hundred twenty-one trillion, three hundred twenty-one billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-two".