112001212122122 has 4 divisors (see below), whose sum is σ = 168001818183186. Its totient is φ = 56000606061060.

The previous prime is 112001212122109. The next prime is 112001212122131. The reversal of 112001212122122 is 221221212100211.

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., 102324129260521 + 9677082861601 = 10115539^2 + 3110801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112001212122094 and 112001212122103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28000303030529 + ... + 28000303030532.

Almost surely, 2^{112001212122122} is an apocalyptic number.

112001212122122 is a deficient number, since it is larger than the sum of its proper divisors (56000606061064).

112001212122122 is an equidigital number, since it uses as much as digits as its factorization.

112001212122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56000606061063.

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

Adding to 112001212122122 its reverse (221221212100211), we get a palindrome (333222424222333).

The spelling of 112001212122122 in words is "one hundred twelve trillion, one billion, two hundred twelve million, one hundred twenty-two thousand, one hundred twenty-two".