2211022321 has 16 divisors (see below), whose sum is σ = 2323141200. Its totient is φ = 2101413888.

The previous prime is 2211022301. The next prime is 2211022399. The reversal of 2211022321 is 1232201122.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 186022321 + 2025000000 = 13639^2 + 45000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211022321 - 2²⁷ = 2076804593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211022295 and 2211022304.

It is not an unprimeable number, because it can be changed into a prime (2211022301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2067775 + ... + 2068843.

It is an arithmetic number, because the mean of its divisors is an integer number (145196325).

Almost surely, 2^2211022321 is an apocalyptic number.

It is an amenable number.

2211022321 is a deficient number, since it is larger than the sum of its proper divisors (112118879).

2211022321 is a wasteful number, since it uses less digits than its factorization.

2211022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2211022321 is about 47021.5091314603. The cubic root of 2211022321 is about 1302.7598804559.

Adding to 2211022321 its reverse (1232201122), we get a palindrome (3443223443).

The spelling of 2211022321 in words is "two billion, two hundred eleven million, twenty-two thousand, three hundred twenty-one".