22002112321 has 8 divisors (see below), whose sum is σ = 25169480960. Its totient is φ = 18840796128.

The previous prime is 22002112273. The next prime is 22002112357. The reversal of 22002112321 is 12321120022.

It is a happy number.

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

It is not a de Polignac number, because 22002112321 - 2⁷ = 22002112193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22002112295 and 22002112304.

It is not an unprimeable number, because it can be changed into a prime (22002112621) 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, 1505316 + ... + 1519861.

It is an arithmetic number, because the mean of its divisors is an integer number (3146185120).

Almost surely, 2^22002112321 is an apocalyptic number.

It is an amenable number.

22002112321 is a deficient number, since it is larger than the sum of its proper divisors (3167368639).

22002112321 is a wasteful number, since it uses less digits than its factorization.

22002112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026223.

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

Adding to 22002112321 its reverse (12321120022), we get a palindrome (34323232343).

The spelling of 22002112321 in words is "twenty-two billion, two million, one hundred twelve thousand, three hundred twenty-one".