222112010121 has 8 divisors (see below), whose sum is σ = 296151562080. Its totient is φ = 148073565792.

The previous prime is 222112010117. The next prime is 222112010173. The reversal of 222112010121 is 121010211222.

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

It is not a de Polignac number, because 222112010121 - 2² = 222112010117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222112010121.

It is not an unprimeable number, because it can be changed into a prime (222112010191) 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, 512446 + ... + 840728.

It is an arithmetic number, because the mean of its divisors is an integer number (37018945260).

Almost surely, 2^222112010121 is an apocalyptic number.

It is an amenable number.

222112010121 is a deficient number, since it is larger than the sum of its proper divisors (74039551959).

222112010121 is a wasteful number, since it uses less digits than its factorization.

222112010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553815.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222112010121 its reverse (121010211222), we get a palindrome (343122221343).

The spelling of 222112010121 in words is "two hundred twenty-two billion, one hundred twelve million, ten thousand, one hundred twenty-one".