222022111121 has 8 divisors (see below), whose sum is σ = 222252691584. Its totient is φ = 221791640400.

The previous prime is 222022111097. The next prime is 222022111133. The reversal of 222022111121 is 121111220222.

222022111121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222022111121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222022111121.

It is not an unprimeable number, because it can be changed into a prime (222022111921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4381496 + ... + 4431878.

It is an arithmetic number, because the mean of its divisors is an integer number (27781586448).

Almost surely, 2^222022111121 is an apocalyptic number.

It is an amenable number.

222022111121 is a deficient number, since it is larger than the sum of its proper divisors (230580463).

222022111121 is a wasteful number, since it uses less digits than its factorization.

222022111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54871.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222022111121 its reverse (121111220222), we get a palindrome (343133331343).

The spelling of 222022111121 in words is "two hundred twenty-two billion, twenty-two million, one hundred eleven thousand, one hundred twenty-one".