2321003332100 has 72 divisors (see below), whose sum is σ = 5134159908360. Its totient is φ = 910431175680.

The previous prime is 2321003332069. The next prime is 2321003332121. The reversal of 2321003332100 is 12333001232.

It can be written as a sum of positive squares in 12 ways, for example, as 6473167936 + 2314530164164 = 80456^2 + 1521358^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10645784 + ... + 10861616.

It is an arithmetic number, because the mean of its divisors is an integer number (71307776505).

Almost surely, 2^{2321003332100} is an apocalyptic number.

2321003332100 is a gapful number since it is divisible by the number (20) 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 2321003332100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2567079954180).

2321003332100 is an abundant number, since it is smaller than the sum of its proper divisors (2813156576260).

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

2321003332100 is a wasteful number, since it uses less digits than its factorization.

2321003332100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217929 (or 217922 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2321003332100 its reverse (12333001232), we get a palindrome (2333336333332).

The spelling of 2321003332100 in words is "two trillion, three hundred twenty-one billion, three million, three hundred thirty-two thousand, one hundred".