206100100111201 has 2 divisors, whose sum is σ = 206100100111202. Its totient is φ = 206100100111200.

The previous prime is 206100100111123. The next prime is 206100100111211. The reversal of 206100100111201 is 102111001001602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197080745717025 + 9019354394176 = 14038545^2 + 3003224^2 .

It is a cyclic number.

It is not a de Polignac number, because 206100100111201 - 2¹¹ = 206100100109153 is a prime.

It is not a weakly prime, because it can be changed into another prime (206100100111211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103050050055600 + 103050050055601.

It is an arithmetic number, because the mean of its divisors is an integer number (103050050055601).

Almost surely, 2^{206100100111201} is an apocalyptic number.

It is an amenable number.

206100100111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

206100100111201 is an equidigital number, since it uses as much as digits as its factorization.

206100100111201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 206100100111201 its reverse (102111001001602), we get a palindrome (308211101112803).

The spelling of 206100100111201 in words is "two hundred six trillion, one hundred billion, one hundred million, one hundred eleven thousand, two hundred one".