222211120021 has 8 divisors (see below), whose sum is σ = 242415648000. Its totient is φ = 202007178240.

The previous prime is 222211120009. The next prime is 222211120031. The reversal of 222211120021 is 120021112222.

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 222211120021 - 2¹⁷ = 222210988949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222211119977 and 222211120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211120031) 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, 1128220 + ... + 1310458.

It is an arithmetic number, because the mean of its divisors is an integer number (30301956000).

Almost surely, 2^222211120021 is an apocalyptic number.

It is an amenable number.

222211120021 is a deficient number, since it is larger than the sum of its proper divisors (20204527979).

222211120021 is a wasteful number, since it uses less digits than its factorization.

222211120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293099.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222211120021 its reverse (120021112222), we get a palindrome (342232232243).

The spelling of 222211120021 in words is "two hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand, twenty-one".