112222011222001 has 2 divisors, whose sum is σ = 112222011222002. Its totient is φ = 112222011222000.

The previous prime is 112222011221977. The next prime is 112222011222023. The reversal of 112222011222001 is 100222110222211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85938907064976 + 26283104157025 = 9270324^2 + 5126705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112222011222001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112222011222001.

It is not a weakly prime, because it can be changed into another prime (112222011222901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56111005611000 + 56111005611001.

It is an arithmetic number, because the mean of its divisors is an integer number (56111005611001).

Almost surely, 2^{112222011222001} is an apocalyptic number.

It is an amenable number.

112222011222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

112222011222001 is an equidigital number, since it uses as much as digits as its factorization.

112222011222001 is an evil number, because the sum of its binary digits is even.

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

Adding to 112222011222001 its reverse (100222110222211), we get a palindrome (212444121444212).

The spelling of 112222011222001 in words is "one hundred twelve trillion, two hundred twenty-two billion, eleven million, two hundred twenty-two thousand, one".