112020121001 has 2 divisors, whose sum is σ = 112020121002. Its totient is φ = 112020121000.

The previous prime is 112020120983. The next prime is 112020121049. The reversal of 112020121001 is 100121020211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78428562601 + 33591558400 = 280051^2 + 183280^2 .

It is a cyclic number.

It is not a de Polignac number, because 112020121001 - 2¹⁴ = 112020104617 is a prime.

It is not a weakly prime, because it can be changed into another prime (112020121501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010060500 + 56010060501.

It is an arithmetic number, because the mean of its divisors is an integer number (56010060501).

Almost surely, 2^112020121001 is an apocalyptic number.

It is an amenable number.

112020121001 is a deficient number, since it is larger than the sum of its proper divisors (1).

112020121001 is an equidigital number, since it uses as much as digits as its factorization.

112020121001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112020121001 its reverse (100121020211), we get a palindrome (212141141212).

The spelling of 112020121001 in words is "one hundred twelve billion, twenty million, one hundred twenty-one thousand, one".