112220110020121 has 2 divisors, whose sum is σ = 112220110020122. Its totient is φ = 112220110020120.

The previous prime is 112220110020079. The next prime is 112220110020217. The reversal of 112220110020121 is 121020011022211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83644285775625 + 28575824244496 = 9145725^2 + 5345636^2 .

It is a cyclic number.

It is not a de Polignac number, because 112220110020121 - 2¹¹ = 112220110018073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112220110020095 and 112220110020104.

It is not a weakly prime, because it can be changed into another prime (112220110027121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110055010060 + 56110055010061.

It is an arithmetic number, because the mean of its divisors is an integer number (56110055010061).

Almost surely, 2^{112220110020121} is an apocalyptic number.

It is an amenable number.

112220110020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220110020121 is an equidigital number, since it uses as much as digits as its factorization.

112220110020121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112220110020121 its reverse (121020011022211), we get a palindrome (233240121042332).

The spelling of 112220110020121 in words is "one hundred twelve trillion, two hundred twenty billion, one hundred ten million, twenty thousand, one hundred twenty-one".