222120322320021 has 8 divisors (see below), whose sum is σ = 299728627709280. Its totient is φ = 146296115905392.

The previous prime is 222120322319999. The next prime is 222120322320041. The reversal of 222120322320021 is 120023223021222.

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

It is not a de Polignac number, because 222120322320021 - 2⁷ = 222120322319893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222120322319973 and 222120322320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120322320041) 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, 446024743366 + ... + 446024743863.

It is an arithmetic number, because the mean of its divisors is an integer number (37466078463660).

Almost surely, 2^{222120322320021} is an apocalyptic number.

It is an amenable number.

222120322320021 is a deficient number, since it is larger than the sum of its proper divisors (77608305389259).

222120322320021 is an equidigital number, since it uses as much as digits as its factorization.

222120322320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892049487315.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 222120322320021 its reverse (120023223021222), we get a palindrome (342143545341243).

The spelling of 222120322320021 in words is "two hundred twenty-two trillion, one hundred twenty billion, three hundred twenty-two million, three hundred twenty thousand, twenty-one".