112112102220122 has 4 divisors (see below), whose sum is σ = 168168153330186. Its totient is φ = 56056051110060.

The previous prime is 112112102220067. The next prime is 112112102220187. The reversal of 112112102220122 is 221022201211211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 90284602316041 + 21827499904081 = 9501821^2 + 4671991^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112112102220094 and 112112102220103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28028025555029 + ... + 28028025555032.

Almost surely, 2^{112112102220122} is an apocalyptic number.

112112102220122 is a deficient number, since it is larger than the sum of its proper divisors (56056051110064).

112112102220122 is an equidigital number, since it uses as much as digits as its factorization.

112112102220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56056051110063.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112112102220122 its reverse (221022201211211), we get a palindrome (333134303431333).

The spelling of 112112102220122 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred two million, two hundred twenty thousand, one hundred twenty-two".