222112200010122 has 48 divisors (see below), whose sum is σ = 494538876847080. Its totient is φ = 71994237630336.

The previous prime is 222112200010097. The next prime is 222112200010147. The reversal of 222112200010122 is 221010002211222.

It is a happy number.

222112200010122 is a `hidden beast` number, since 222 + 112 + 200 + 0 + 10 + 122 = 666.

It is an interprime number because it is at equal distance from previous prime (222112200010097) and next prime (222112200010147).

It can be written as a sum of positive squares in 4 ways, for example, as 131385031953561 + 90727168056561 = 11462331^2 + 9525081^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222112200010095 and 222112200010104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96434013 + ... + 98710400.

Almost surely, 2^{222112200010122} is an apocalyptic number.

222112200010122 is an abundant number, since it is smaller than the sum of its proper divisors (272426676836958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222112200010122 is a wasteful number, since it uses less digits than its factorization.

222112200010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195146167 (or 195146164 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222112200010122 its reverse (221010002211222), we get a palindrome (443122202221344).

The spelling of 222112200010122 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred million, ten thousand, one hundred twenty-two".