10012010002021 has 2 divisors, whose sum is σ = 10012010002022. Its totient is φ = 10012010002020.

The previous prime is 10012010002013. The next prime is 10012010002037. The reversal of 10012010002021 is 12020001021001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9858588945921 + 153421056100 = 3139839^2 + 391690^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012010002021 - 2³ = 10012010002013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012010001989 and 10012010002007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012014002021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006005001010 + 5006005001011.

It is an arithmetic number, because the mean of its divisors is an integer number (5006005001011).

Almost surely, 2^{10012010002021} is an apocalyptic number.

It is an amenable number.

10012010002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012010002021 is an equidigital number, since it uses as much as digits as its factorization.

10012010002021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10012010002021 its reverse (12020001021001), we get a palindrome (22032011023022).

The spelling of 10012010002021 in words is "ten trillion, twelve billion, ten million, two thousand, twenty-one".