321322123100022 has 128 divisors (see below), whose sum is σ = 737473562800128. Its totient is φ = 92445699427200.

The previous prime is 321322123099933. The next prime is 321322123100057. The reversal of 321322123100022 is 220001321223123.

It is a junction number, because it is equal to n+sod(n) for n = 321322123099965 and 321322123100001.

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, 106777173 + ... + 109745199.

It is an arithmetic number, because the mean of its divisors is an integer number (5761512209376).

Almost surely, 2^{321322123100022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321322123100022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368736781400064).

321322123100022 is an abundant number, since it is smaller than the sum of its proper divisors (416151439700106).

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

321322123100022 is a wasteful number, since it uses less digits than its factorization.

321322123100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969154.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 321322123100022 its reverse (220001321223123), we get a palindrome (541323444323145).

The spelling of 321322123100022 in words is "three hundred twenty-one trillion, three hundred twenty-two billion, one hundred twenty-three million, one hundred thousand, twenty-two".