222111000121 has 8 divisors (see below), whose sum is σ = 223569115200. Its totient is φ = 220656305232.

The previous prime is 222111000109. The next prime is 222111000227. The reversal of 222111000121 is 121000111222.

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 222111000121 - 2¹³ = 222110991929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222111000821) 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, 724675 + ... + 984568.

It is an arithmetic number, because the mean of its divisors is an integer number (27946139400).

Almost surely, 2^222111000121 is an apocalyptic number.

It is an amenable number.

222111000121 is a deficient number, since it is larger than the sum of its proper divisors (1458115079).

222111000121 is a wasteful number, since it uses less digits than its factorization.

222111000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710095.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222111000121 its reverse (121000111222), we get a palindrome (343111111343).

The spelling of 222111000121 in words is "two hundred twenty-two billion, one hundred eleven million, one hundred twenty-one", and thus it is an aban number.