112012200202121 has 2 divisors, whose sum is σ = 112012200202122. Its totient is φ = 112012200202120.

The previous prime is 112012200202117. The next prime is 112012200202141. The reversal of 112012200202121 is 121202002210211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62687423816521 + 49324776385600 = 7917539^2 + 7023160^2 .

It is a cyclic number.

It is not a de Polignac number, because 112012200202121 - 2² = 112012200202117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112012200202121.

It is not a weakly prime, because it can be changed into another prime (112012200202141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56006100101060 + 56006100101061.

It is an arithmetic number, because the mean of its divisors is an integer number (56006100101061).

Almost surely, 2^{112012200202121} is an apocalyptic number.

It is an amenable number.

112012200202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112012200202121 is an equidigital number, since it uses as much as digits as its factorization.

112012200202121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112012200202121 its reverse (121202002210211), we get a palindrome (233214202412332).

The spelling of 112012200202121 in words is "one hundred twelve trillion, twelve billion, two hundred million, two hundred two thousand, one hundred twenty-one".