222112100202112 has 32 divisors (see below), whose sum is σ = 442490400277380. Its totient is φ = 111055686014976.

The previous prime is 222112100202103. The next prime is 222112100202121. The reversal of 222112100202112 is 211202001211222.

It is an interprime number because it is at equal distance from previous prime (222112100202103) and next prime (222112100202121).

It can be written as a sum of positive squares in 2 ways, for example, as 172966055542336 + 49146044659776 = 13151656^2 + 7010424^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 222112100202112.

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, 38714148 + ... + 44079580.

Almost surely, 2^{222112100202112} is an apocalyptic number.

It is an amenable number.

222112100202112 is a deficient number, since it is larger than the sum of its proper divisors (220378300075268).

222112100202112 is an equidigital number, since it uses as much as digits as its factorization.

222112100202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5688860 (or 5688848 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222112100202112 its reverse (211202001211222), we get a palindrome (433314101413334).

The spelling of 222112100202112 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred million, two hundred two thousand, one hundred twelve".