3220112212100 has 144 divisors (see below), whose sum is σ = 8127689794560. Its totient is φ = 1084525200000.

The previous prime is 3220112212081. The next prime is 3220112212151. The reversal of 3220112212100 is 12122110223.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 16741475 + ... + 16932725.

It is an arithmetic number, because the mean of its divisors is an integer number (56442290240).

Almost surely, 2^{3220112212100} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220112212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4063844897280).

3220112212100 is an abundant number, since it is smaller than the sum of its proper divisors (4907577582460).

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

3220112212100 is a wasteful number, since it uses less digits than its factorization.

3220112212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191698 (or 191691 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 3220112212100 its reverse (12122110223), we get a palindrome (3232234322323).

The spelling of 3220112212100 in words is "three trillion, two hundred twenty billion, one hundred twelve million, two hundred twelve thousand, one hundred".