222222121000112 has 20 divisors (see below), whose sum is σ = 430562966699736. Its totient is φ = 111109097335680.

The previous prime is 222222121000079. The next prime is 222222121000129. The reversal of 222222121000112 is 211000121222222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121763693 + ... + 123575244.

Almost surely, 2^{222222121000112} is an apocalyptic number.

It is an amenable number.

222222121000112 is a deficient number, since it is larger than the sum of its proper divisors (208340845699624).

222222121000112 is a wasteful number, since it uses less digits than its factorization.

222222121000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245395556 (or 245395550 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222222121000112 its reverse (211000121222222), we get a palindrome (433222242222334).

The spelling of 222222121000112 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twelve", and thus it is an aban number.