321451211106 has 24 divisors (see below), whose sum is σ = 696493699200. Its totient is φ = 107147930616.

The previous prime is 321451211087. The next prime is 321451211119. The reversal of 321451211106 is 601112154123.

321451211106 is a `hidden beast` number, since 32 + 1 + 4 + 512 + 1 + 110 + 6 = 666.

It is a super-2 number, since 2×321451211106² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 321451211106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 704091 + ... + 1067073.

It is an arithmetic number, because the mean of its divisors is an integer number (29020570800).

Almost surely, 2^321451211106 is an apocalyptic number.

321451211106 is an abundant number, since it is smaller than the sum of its proper divisors (375042488094).

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

321451211106 is a wasteful number, since it uses less digits than its factorization.

321451211106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412190 (or 412187 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 321451211106 its reverse (601112154123), we get a palindrome (922563365229).

The spelling of 321451211106 in words is "three hundred twenty-one billion, four hundred fifty-one million, two hundred eleven thousand, one hundred six".