10012102102021 has 2 divisors, whose sum is σ = 10012102102022. Its totient is φ = 10012102102020.

The previous prime is 10012102101983. The next prime is 10012102102039. The reversal of 10012102102021 is 12020120121001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9383592460225 + 628509641796 = 3063265^2 + 792786^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012102102021 - 2³⁷ = 9874663148549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012102101992 and 10012102102010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012102102091) 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 as a sum of consecutive naturals, namely, 5006051051010 + 5006051051011.

It is an arithmetic number, because the mean of its divisors is an integer number (5006051051011).

Almost surely, 2^{10012102102021} is an apocalyptic number.

It is an amenable number.

10012102102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012102102021 is an equidigital number, since it uses as much as digits as its factorization.

10012102102021 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 13.

Adding to 10012102102021 its reverse (12020120121001), we get a palindrome (22032222223022).

The spelling of 10012102102021 in words is "ten trillion, twelve billion, one hundred two million, one hundred two thousand, twenty-one".