2321113311020 has 48 divisors (see below), whose sum is σ = 5570761582848. Its totient is φ = 795797472960.

The previous prime is 2321113311019. The next prime is 2321113311031. The reversal of 2321113311020 is 201133111232.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2321113310983 and 2321113311001.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13714715 + ... + 13882925.

It is an arithmetic number, because the mean of its divisors is an integer number (116057532976).

Almost surely, 2^{2321113311020} is an apocalyptic number.

2321113311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321113311020 is an abundant number, since it is smaller than the sum of its proper divisors (3249648271828).

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

2321113311020 is a wasteful number, since it uses less digits than its factorization.

2321113311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266790 (or 266788 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2321113311020 its reverse (201133111232), we get a palindrome (2522246422252).

The spelling of 2321113311020 in words is "two trillion, three hundred twenty-one billion, one hundred thirteen million, three hundred eleven thousand, twenty".