2100111022321 has 16 divisors (see below), whose sum is σ = 2271257731008. Its totient is φ = 1930349995200.

The previous prime is 2100111022301. The next prime is 2100111022393. The reversal of 2100111022321 is 1232201110012.

It is a cyclic number.

It is not a de Polignac number, because 2100111022321 - 2⁹ = 2100111021809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100111022295 and 2100111022304.

It is not an unprimeable number, because it can be changed into a prime (2100111022301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3235530 + ... + 3829996.

It is an arithmetic number, because the mean of its divisors is an integer number (141953608188).

Almost surely, 2^{2100111022321} is an apocalyptic number.

It is an amenable number.

2100111022321 is a deficient number, since it is larger than the sum of its proper divisors (171146708687).

2100111022321 is a wasteful number, since it uses less digits than its factorization.

2100111022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595632.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2100111022321 its reverse (1232201110012), we get a palindrome (3332312132333).

The spelling of 2100111022321 in words is "two trillion, one hundred billion, one hundred eleven million, twenty-two thousand, three hundred twenty-one".