2112101200073 has 2 divisors, whose sum is σ = 2112101200074. Its totient is φ = 2112101200072.

The previous prime is 2112101200039. The next prime is 2112101200189. The reversal of 2112101200073 is 3700021012112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2057236570249 + 54864629824 = 1434307^2 + 234232^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112101200073 - 2⁶ = 2112101200009 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112101200873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056050600036 + 1056050600037.

It is an arithmetic number, because the mean of its divisors is an integer number (1056050600037).

Almost surely, 2^{2112101200073} is an apocalyptic number.

It is an amenable number.

2112101200073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112101200073 is an equidigital number, since it uses as much as digits as its factorization.

2112101200073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 2112101200073 its reverse (3700021012112), we get a palindrome (5812122212185).

The spelling of 2112101200073 in words is "two trillion, one hundred twelve billion, one hundred one million, two hundred thousand, seventy-three".