2321100120 has 64 divisors (see below), whose sum is σ = 7081344000. Its totient is φ = 608467328.

The previous prime is 2321100079. The next prime is 2321100137. The reversal of 2321100120 is 210011232.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2321100096 and 2321100105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156840 + ... + 170999.

It is an arithmetic number, because the mean of its divisors is an integer number (110646000).

Almost surely, 2^2321100120 is an apocalyptic number.

2321100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321100120 is an abundant number, since it is smaller than the sum of its proper divisors (4760243880).

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

2321100120 is a wasteful number, since it uses less digits than its factorization.

2321100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327912 (or 327908 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2321100120 is about 48177.7969608408. The cubic root of 2321100120 is about 1324.0304039774.

Adding to 2321100120 its reverse (210011232), we get a palindrome (2531111352).

The spelling of 2321100120 in words is "two billion, three hundred twenty-one million, one hundred thousand, one hundred twenty".