200001002101 has 2 divisors, whose sum is σ = 200001002102. Its totient is φ = 200001002100.

The previous prime is 200001002057. The next prime is 200001002107. The reversal of 200001002101 is 101200100002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184383501201 + 15617500900 = 429399^2 + 124970^2 .

It is a cyclic number.

It is not a de Polignac number, because 200001002101 - 2⁷ = 200001001973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200001002107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000501050 + 100000501051.

It is an arithmetic number, because the mean of its divisors is an integer number (100000501051).

Almost surely, 2^200001002101 is an apocalyptic number.

It is an amenable number.

200001002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001002101 is an equidigital number, since it uses as much as digits as its factorization.

200001002101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 200001002101 its reverse (101200100002), we get a palindrome (301201102103).

The spelling of 200001002101 in words is "two hundred billion, one million, two thousand, one hundred one".