200011100221 has 2 divisors, whose sum is σ = 200011100222. Its totient is φ = 200011100220.

The previous prime is 200011100203. The next prime is 200011100249. The reversal of 200011100221 is 122001110002.

200011100221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156013940196 + 43997160025 = 394986^2 + 209755^2 .

It is a cyclic number.

It is not a de Polignac number, because 200011100221 - 2¹⁷ = 200010969149 is a prime.

It is a super-2 number, since 2×200011100221² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200011100198 and 200011100207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200011100251) 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, 100005550110 + 100005550111.

It is an arithmetic number, because the mean of its divisors is an integer number (100005550111).

Almost surely, 2^200011100221 is an apocalyptic number.

It is an amenable number.

200011100221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200011100221 is an equidigital number, since it uses as much as digits as its factorization.

200011100221 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 10.

Adding to 200011100221 its reverse (122001110002), we get a palindrome (322012210223).

The spelling of 200011100221 in words is "two hundred billion, eleven million, one hundred thousand, two hundred twenty-one".