2100311110320 has 80 divisors (see below), whose sum is σ = 6511207526880. Its totient is φ = 560062052352.

The previous prime is 2100311110301. The next prime is 2100311110411. The reversal of 2100311110320 is 230111130012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2100311110320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2100311110320.

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, 6916236 + ... + 7213524.

It is an arithmetic number, because the mean of its divisors is an integer number (81390094086).

Almost surely, 2^{2100311110320} is an apocalyptic number.

2100311110320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100311110320 is an abundant number, since it is smaller than the sum of its proper divisors (4410896416560).

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

2100311110320 is a wasteful number, since it uses less digits than its factorization.

2100311110320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326742 (or 326736 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2100311110320 its reverse (230111130012), we get a palindrome (2330422240332).

The spelling of 2100311110320 in words is "two trillion, one hundred billion, three hundred eleven million, one hundred ten thousand, three hundred twenty".