222112000121 has 16 divisors (see below), whose sum is σ = 242957456640. Its totient is φ = 201376129920.

The previous prime is 222112000087. The next prime is 222112000163. The reversal of 222112000121 is 121000211222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222112000121 is a prime.

It is a super-3 number, since 3×222112000121³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222112000096 and 222112000105.

It is not an unprimeable number, because it can be changed into a prime (222112000321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6887591 + ... + 6919763.

It is an arithmetic number, because the mean of its divisors is an integer number (15184841040).

Almost surely, 2^222112000121 is an apocalyptic number.

It is an amenable number.

222112000121 is a deficient number, since it is larger than the sum of its proper divisors (20845456519).

222112000121 is a wasteful number, since it uses less digits than its factorization.

222112000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33856.

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

Adding to 222112000121 its reverse (121000211222), we get a palindrome (343112211343).

The spelling of 222112000121 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred twenty-one", and thus it is an aban number.