222012001121 has 8 divisors (see below), whose sum is σ = 224699215104. Its totient is φ = 219325081840.

The previous prime is 222012001117. The next prime is 222012001129. The reversal of 222012001121 is 121100210222.

222012001121 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 not a de Polignac number, because 222012001121 - 2² = 222012001117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222012001096 and 222012001105.

It is not an unprimeable number, because it can be changed into a prime (222012001129) 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, 1698320 + ... + 1824366.

It is an arithmetic number, because the mean of its divisors is an integer number (28087401888).

Almost surely, 2^222012001121 is an apocalyptic number.

It is an amenable number.

222012001121 is a deficient number, since it is larger than the sum of its proper divisors (2687213983).

222012001121 is a wasteful number, since it uses less digits than its factorization.

222012001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147351.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222012001121 its reverse (121100210222), we get a palindrome (343112211343).

The spelling of 222012001121 in words is "two hundred twenty-two billion, twelve million, one thousand, one hundred twenty-one".