222110320021 has 8 divisors (see below), whose sum is σ = 222272001504. Its totient is φ = 221948693040.

The previous prime is 222110320013. The next prime is 222110320027. The reversal of 222110320021 is 120023011222.

It is a happy number.

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 222110320021 - 2³ = 222110320013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222110319977 and 222110320004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110320027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11339166 + ... + 11358736.

It is an arithmetic number, because the mean of its divisors is an integer number (27784000188).

Almost surely, 2^222110320021 is an apocalyptic number.

It is an amenable number.

222110320021 is a deficient number, since it is larger than the sum of its proper divisors (161681483).

222110320021 is a wasteful number, since it uses less digits than its factorization.

222110320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27251.

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

Adding to 222110320021 its reverse (120023011222), we get a palindrome (342133331243).

The spelling of 222110320021 in words is "two hundred twenty-two billion, one hundred ten million, three hundred twenty thousand, twenty-one".