10000202000021 has 6 divisors (see below), whose sum is σ = 10333195199766. Its totient is φ = 9677614837800.

The previous prime is 10000201999933. The next prime is 10000202000051. The reversal of 10000202000021 is 12000020200001.

10000202000021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8012352972100 + 1987849027921 = 2830610^2 + 1409911^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10000202000021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000201999972 and 10000202000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000202000051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5203017770 + ... + 5203019691.

It is an arithmetic number, because the mean of its divisors is an integer number (1722199199961).

Almost surely, 2^{10000202000021} is an apocalyptic number.

It is an amenable number.

10000202000021 is a deficient number, since it is larger than the sum of its proper divisors (332993199745).

10000202000021 is an equidigital number, since it uses as much as digits as its factorization.

10000202000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10406037523 (or 10406037492 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10000202000021 its reverse (12000020200001), we get a palindrome (22000222200022).

The spelling of 10000202000021 in words is "ten trillion, two hundred two million, twenty-one", and thus it is an aban number.