2122030321 has 16 divisors (see below), whose sum is σ = 2352043008. Its totient is φ = 1905523200.

The previous prime is 2122030319. The next prime is 2122030367. The reversal of 2122030321 is 1230302212.

It is not a de Polignac number, because 2122030321 - 2¹ = 2122030319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122030295 and 2122030304.

It is not an unprimeable number, because it can be changed into a prime (2122030921) 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, 9061 + ... + 65773.

It is an arithmetic number, because the mean of its divisors is an integer number (147002688).

Almost surely, 2^2122030321 is an apocalyptic number.

It is an amenable number.

2122030321 is a deficient number, since it is larger than the sum of its proper divisors (230012687).

2122030321 is a wasteful number, since it uses less digits than its factorization.

2122030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56832.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2122030321 is about 46065.5003337639. The cubic root of 2122030321 is about 1285.0416235060.

Adding to 2122030321 its reverse (1230302212), we get a palindrome (3352332533).

The spelling of 2122030321 in words is "two billion, one hundred twenty-two million, thirty thousand, three hundred twenty-one".