321611020002244 has 12 divisors (see below), whose sum is σ = 643222040004544. Its totient is φ = 137833294286664.

The previous prime is 321611020002241. The next prime is 321611020002257. The reversal of 321611020002244 is 442200020116123.

321611020002244 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 11486107857223 = 321611020002244 / (3 + 2 + 1 + 6 + 1 + 1 + 0 + 2 + 0 + 0 + 0 + 2 + 2 + 4 + 4).

It is not an unprimeable number, because it can be changed into a prime (321611020002241) 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, 5743053928584 + ... + 5743053928639.

Almost surely, 2^{321611020002244} is an apocalyptic number.

It is an amenable number.

321611020002244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

321611020002244 is a wasteful number, since it uses less digits than its factorization.

321611020002244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486107857234 (or 11486107857232 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 321611020002244 its reverse (442200020116123), we get a palindrome (763811040118367).

The spelling of 321611020002244 in words is "three hundred twenty-one trillion, six hundred eleven billion, twenty million, two thousand, two hundred forty-four".