3113201322220 has 96 divisors (see below), whose sum is σ = 7202653436160. Its totient is φ = 1120879683840.

The previous prime is 3113201322157. The next prime is 3113201322223. The reversal of 3113201322220 is 222231023113.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3113201322191 and 3113201322200.

It is not an unprimeable number, because it can be changed into a prime (3113201322223) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 44149351 + ... + 44219809.

It is an arithmetic number, because the mean of its divisors is an integer number (75027639960).

Almost surely, 2^{3113201322220} 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 3113201322220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3601326718080).

3113201322220 is an abundant number, since it is smaller than the sum of its proper divisors (4089452113940).

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

3113201322220 is a wasteful number, since it uses less digits than its factorization.

3113201322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72463 (or 72461 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3113201322220 its reverse (222231023113), we get a palindrome (3335432345333).

The spelling of 3113201322220 in words is "three trillion, one hundred thirteen billion, two hundred one million, three hundred twenty-two thousand, two hundred twenty".