10000202002021 has 32 divisors (see below), whose sum is σ = 13207576043520. Its totient is φ = 7335219902400.

The previous prime is 10000202002003. The next prime is 10000202002099. The reversal of 10000202002021 is 12020020200001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000202002021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000202001989 and 10000202002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000202003021) 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 in 31 ways as a sum of consecutive naturals, for example, 21539125 + ... + 21998506.

It is an arithmetic number, because the mean of its divisors is an integer number (412736751360).

Almost surely, 2^{10000202002021} is an apocalyptic number.

10000202002021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10000202002021 is a deficient number, since it is larger than the sum of its proper divisors (3207374041499).

10000202002021 is a wasteful number, since it uses less digits than its factorization.

10000202002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43537825.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10000202002021 its reverse (12020020200001), we get a palindrome (22020222202022).

The spelling of 10000202002021 in words is "ten trillion, two hundred two million, two thousand, twenty-one".