10001202102021 has 16 divisors (see below), whose sum is σ = 14396512697280. Its totient is φ = 6139237804800.

The previous prime is 10001202102011. The next prime is 10001202102097. The reversal of 10001202102021 is 12020120210001.

It is not a de Polignac number, because 10001202102021 - 2⁹ = 10001202101509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001202101988 and 10001202102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001202102011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319736331 + ... + 319767608.

It is an arithmetic number, because the mean of its divisors is an integer number (899782043580).

Almost surely, 2^{10001202102021} is an apocalyptic number.

It is an amenable number.

10001202102021 is a deficient number, since it is larger than the sum of its proper divisors (4395310595259).

10001202102021 is a wasteful number, since it uses less digits than its factorization.

10001202102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639504356.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10001202102021 its reverse (12020120210001), we get a palindrome (22021322312022).

The spelling of 10001202102021 in words is "ten trillion, one billion, two hundred two million, one hundred two thousand, twenty-one".