22232111123221 has 8 divisors (see below), whose sum is σ = 22250973520800. Its totient is φ = 22213255365840.

The previous prime is 22232111123219. The next prime is 22232111123263. The reversal of 22232111123221 is 12232111123222.

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 22232111123221 - 2¹ = 22232111123219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232111123291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5050506 + ... + 8364916.

It is an arithmetic number, because the mean of its divisors is an integer number (2781371690100).

Almost surely, 2^{22232111123221} is an apocalyptic number.

It is an amenable number.

22232111123221 is a deficient number, since it is larger than the sum of its proper divisors (18862397579).

22232111123221 is a wasteful number, since it uses less digits than its factorization.

22232111123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320099.

The product of its digits is 1152, while the sum is 25.

Adding to 22232111123221 its reverse (12232111123222), we get a palindrome (34464222246443).

Subtracting from 22232111123221 its reverse (12232111123222), we obtain a palindrome (9999999999999).

The spelling of 22232111123221 in words is "twenty-two trillion, two hundred thirty-two billion, one hundred eleven million, one hundred twenty-three thousand, two hundred twenty-one".