20101200212089 has 2 divisors, whose sum is σ = 20101200212090. Its totient is φ = 20101200212088.

The previous prime is 20101200211849. The next prime is 20101200212123. The reversal of 20101200212089 is 98021200210102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19896131618064 + 205068594025 = 4460508^2 + 452845^2 .

It is a cyclic number.

It is not a de Polignac number, because 20101200212089 - 2¹⁹ = 20101199687801 is a prime.

It is not a weakly prime, because it can be changed into another prime (20101200212189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050600106044 + 10050600106045.

It is an arithmetic number, because the mean of its divisors is an integer number (10050600106045).

Almost surely, 2^{20101200212089} is an apocalyptic number.

It is an amenable number.

20101200212089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101200212089 is an equidigital number, since it uses as much as digits as its factorization.

20101200212089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 20101200212089 in words is "twenty trillion, one hundred one billion, two hundred million, two hundred twelve thousand, eighty-nine".