3101123221320 has 128 divisors (see below), whose sum is σ = 9403286630400. Its totient is φ = 818101089024.

The previous prime is 3101123221319. The next prime is 3101123221327. The reversal of 3101123221320 is 231223211013.

It is not an unprimeable number, because it can be changed into a prime (3101123221327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12022261 + ... + 12277499.

It is an arithmetic number, because the mean of its divisors is an integer number (73463176800).

Almost surely, 2^{3101123221320} is an apocalyptic number.

3101123221320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3101123221320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4701643315200).

3101123221320 is an abundant number, since it is smaller than the sum of its proper divisors (6302163409080).

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

3101123221320 is a wasteful number, since it uses less digits than its factorization.

3101123221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256339 (or 256335 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3101123221320 its reverse (231223211013), we get a palindrome (3332346432333).

The spelling of 3101123221320 in words is "three trillion, one hundred one billion, one hundred twenty-three million, two hundred twenty-one thousand, three hundred twenty".