321100004022 has 32 divisors (see below), whose sum is σ = 751011309312. Its totient is φ = 89609302944.

The previous prime is 321100004021. The next prime is 321100004033. The reversal of 321100004022 is 220400001123.

It is a junction number, because it is equal to n+sod(n) for n = 321100003992 and 321100004010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321100004021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 88896313 + ... + 88899924.

It is an arithmetic number, because the mean of its divisors is an integer number (23469103416).

Almost surely, 2^321100004022 is an apocalyptic number.

321100004022 is an abundant number, since it is smaller than the sum of its proper divisors (429911305290).

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

321100004022 is a wasteful number, since it uses less digits than its factorization.

321100004022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177796292.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 321100004022 its reverse (220400001123), we get a palindrome (541500005145).

The spelling of 321100004022 in words is "three hundred twenty-one billion, one hundred million, four thousand, twenty-two".