2021200010201 has 2 divisors, whose sum is σ = 2021200010202. Its totient is φ = 2021200010200.

The previous prime is 2021200010171. The next prime is 2021200010237. The reversal of 2021200010201 is 1020100021202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1576343025625 + 444856984576 = 1255525^2 + 666976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021200010201 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2021200010701) 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, 1010600005100 + 1010600005101.

It is an arithmetic number, because the mean of its divisors is an integer number (1010600005101).

Almost surely, 2^{2021200010201} is an apocalyptic number.

It is an amenable number.

2021200010201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021200010201 is an equidigital number, since it uses as much as digits as its factorization.

2021200010201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2021200010201 its reverse (1020100021202), we get a palindrome (3041300031403).

The spelling of 2021200010201 in words is "two trillion, twenty-one billion, two hundred million, ten thousand, two hundred one".