2111023321 has 8 divisors (see below), whose sum is σ = 2325737088. Its totient is φ = 1900110000.

The previous prime is 2111023309. The next prime is 2111023349. The reversal of 2111023321 is 1233201112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111023321 - 2⁵ = 2111023289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111023295 and 2111023304.

It is not an unprimeable number, because it can be changed into a prime (2111023301) 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 7 ways as a sum of consecutive naturals, for example, 948945 + ... + 951166.

It is an arithmetic number, because the mean of its divisors is an integer number (290717136).

Almost surely, 2^2111023321 is an apocalyptic number.

It is an amenable number.

2111023321 is a deficient number, since it is larger than the sum of its proper divisors (214713767).

2111023321 is a wasteful number, since it uses less digits than its factorization.

2111023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900223.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2111023321 is about 45945.8738190928. The cubic root of 2111023321 is about 1282.8159280558.

Adding to 2111023321 its reverse (1233201112), we get a palindrome (3344224433).

The spelling of 2111023321 in words is "two billion, one hundred eleven million, twenty-three thousand, three hundred twenty-one".