22031110321 has 8 divisors (see below), whose sum is σ = 24042564864. Its totient is φ = 20021093520.

The previous prime is 22031110319. The next prime is 22031110333. The reversal of 22031110321 is 12301113022.

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 22031110321 - 2¹ = 22031110319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22031110295 and 22031110304.

It is not an unprimeable number, because it can be changed into a prime (22031110301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327265 + ... + 388798.

It is an arithmetic number, because the mean of its divisors is an integer number (3005320608).

Almost surely, 2^22031110321 is an apocalyptic number.

It is an amenable number.

22031110321 is a deficient number, since it is larger than the sum of its proper divisors (2011454543).

22031110321 is a wasteful number, since it uses less digits than its factorization.

22031110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718871.

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

Adding to 22031110321 its reverse (12301113022), we get a palindrome (34332223343).

The spelling of 22031110321 in words is "twenty-two billion, thirty-one million, one hundred ten thousand, three hundred twenty-one".