321111121232196 has 72 divisors (see below), whose sum is σ = 866686167547200. Its totient is φ = 100002250079424.

The previous prime is 321111121232147. The next prime is 321111121232207. The reversal of 321111121232196 is 691232121111123.

321111121232196 is a `hidden beast` number, since 3 + 2 + 1 + 1 + 111 + 212 + 321 + 9 + 6 = 666.

It is a super-2 number, since 2×321111121232196² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 321111121232196.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4509445371 + ... + 4509516578.

It is an arithmetic number, because the mean of its divisors is an integer number (12037307882600).

Almost surely, 2^{321111121232196} is an apocalyptic number.

321111121232196 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

321111121232196 is an abundant number, since it is smaller than the sum of its proper divisors (545575046315004).

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

321111121232196 is a wasteful number, since it uses less digits than its factorization.

321111121232196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9018962025 (or 9018962020 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The spelling of 321111121232196 in words is "three hundred twenty-one trillion, one hundred eleven billion, one hundred twenty-one million, two hundred thirty-two thousand, one hundred ninety-six".