10010200021 has 2 divisors, whose sum is σ = 10010200022. Its totient is φ = 10010200020.

The previous prime is 10010200009. The next prime is 10010200069. The reversal of 10010200021 is 12000201001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7501292100 + 2508907921 = 86610^2 + 50089^2 .

It is a cyclic number.

It is not a de Polignac number, because 10010200021 - 2¹⁵ = 10010167253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10010199977 and 10010200013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10010200121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005100010 + 5005100011.

It is an arithmetic number, because the mean of its divisors is an integer number (5005100011).

Almost surely, 2^10010200021 is an apocalyptic number.

It is an amenable number.

10010200021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010200021 is an equidigital number, since it uses as much as digits as its factorization.

10010200021 is an evil number, because the sum of its binary digits is even.

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

Adding to 10010200021 its reverse (12000201001), we get a palindrome (22010401022).

The spelling of 10010200021 in words is "ten billion, ten million, two hundred thousand, twenty-one".