2100321211 has 4 divisors (see below), whose sum is σ = 2100524752. Its totient is φ = 2100117672.

The previous prime is 2100321191. The next prime is 2100321217. The reversal of 2100321211 is 1121230012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100321211 is a prime.

It is a super-2 number, since 2×2100321211² = 8822698378753013042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100321191 and 2100321200.

It is not an unprimeable number, because it can be changed into a prime (2100321217) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85416 + ... + 107221.

It is an arithmetic number, because the mean of its divisors is an integer number (525131188).

Almost surely, 2^2100321211 is an apocalyptic number.

2100321211 is a deficient number, since it is larger than the sum of its proper divisors (203541).

2100321211 is a wasteful number, since it uses less digits than its factorization.

2100321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203540.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2100321211 is about 45829.2615148881. The cubic root of 2100321211 is about 1280.6444531055.

Adding to 2100321211 its reverse (1121230012), we get a palindrome (3221551223).

The spelling of 2100321211 in words is "two billion, one hundred million, three hundred twenty-one thousand, two hundred eleven".