20200100111201 has 2 divisors, whose sum is σ = 20200100111202. Its totient is φ = 20200100111200.

The previous prime is 20200100111197. The next prime is 20200100111209. The reversal of 20200100111201 is 10211100100202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20194373254225 + 5726856976 = 4493815^2 + 75676^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200100111201 - 2² = 20200100111197 is a prime.

It is not a weakly prime, because it can be changed into another prime (20200100111209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100050055600 + 10100050055601.

It is an arithmetic number, because the mean of its divisors is an integer number (10100050055601).

Almost surely, 2^{20200100111201} is an apocalyptic number.

It is an amenable number.

20200100111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200100111201 is an equidigital number, since it uses as much as digits as its factorization.

20200100111201 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 20200100111201 its reverse (10211100100202), we get a palindrome (30411200211403).

The spelling of 20200100111201 in words is "twenty trillion, two hundred billion, one hundred million, one hundred eleven thousand, two hundred one".