200100011201021 has 2 divisors, whose sum is σ = 200100011201022. Its totient is φ = 200100011201020.

The previous prime is 200100011200997. The next prime is 200100011201033. The reversal of 200100011201021 is 120102110001002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160123969080100 + 39976042120921 = 12654010^2 + 6322661^2 .

It is a cyclic number.

It is not a de Polignac number, because 200100011201021 - 2¹⁰ = 200100011199997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200100011200993 and 200100011201011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200100011201071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050005600510 + 100050005600511.

It is an arithmetic number, because the mean of its divisors is an integer number (100050005600511).

Almost surely, 2^{200100011201021} is an apocalyptic number.

It is an amenable number.

200100011201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

200100011201021 is an equidigital number, since it uses as much as digits as its factorization.

200100011201021 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 200100011201021 its reverse (120102110001002), we get a palindrome (320202121202023).

The spelling of 200100011201021 in words is "two hundred trillion, one hundred billion, eleven million, two hundred one thousand, twenty-one".