2111823321 has 8 divisors (see below), whose sum is σ = 2816911104. Its totient is φ = 1407308880.

The previous prime is 2111823299. The next prime is 2111823331. The reversal of 2111823321 is 1233281112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2111823321 - 2⁵ = 2111823289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111823291 and 2111823300.

It is not an unprimeable number, because it can be changed into a prime (2111823331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134665 + ... + 149526.

It is an arithmetic number, because the mean of its divisors is an integer number (352113888).

Almost surely, 2^2111823321 is an apocalyptic number.

It is an amenable number.

2111823321 is a deficient number, since it is larger than the sum of its proper divisors (705087783).

2111823321 is a wasteful number, since it uses less digits than its factorization.

2111823321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286671.

The product of its digits is 576, while the sum is 24.

The square root of 2111823321 is about 45954.5788904653. The cubic root of 2111823321 is about 1282.9779542356.

The spelling of 2111823321 in words is "two billion, one hundred eleven million, eight hundred twenty-three thousand, three hundred twenty-one".