321100225132 has 12 divisors (see below), whose sum is σ = 565696706400. Its totient is φ = 159472594736.

The previous prime is 321100225109. The next prime is 321100225139. The reversal of 321100225132 is 231522001123.

It is not an unprimeable number, because it can be changed into a prime (321100225139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269378788 + ... + 269379979.

It is an arithmetic number, because the mean of its divisors is an integer number (47141392200).

Almost surely, 2^321100225132 is an apocalyptic number.

It is an amenable number.

321100225132 is a deficient number, since it is larger than the sum of its proper divisors (244596481268).

321100225132 is a wasteful number, since it uses less digits than its factorization.

321100225132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538758920 (or 538758918 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 321100225132 its reverse (231522001123), we get a palindrome (552622226255).

The spelling of 321100225132 in words is "three hundred twenty-one billion, one hundred million, two hundred twenty-five thousand, one hundred thirty-two".