10021010209997 has 2 divisors, whose sum is σ = 10021010209998. Its totient is φ = 10021010209996.

The previous prime is 10021010209949. The next prime is 10021010210117. The reversal of 10021010209997 is 79990201012001.

10021010209997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8447939893156 + 1573070316841 = 2906534^2 + 1254221^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021010209997 - 2⁶ = 10021010209933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021010209937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010505104998 + 5010505104999.

It is an arithmetic number, because the mean of its divisors is an integer number (5010505104999).

Almost surely, 2^{10021010209997} is an apocalyptic number.

It is an amenable number.

10021010209997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021010209997 is an equidigital number, since it uses as much as digits as its factorization.

10021010209997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 41.

The spelling of 10021010209997 in words is "ten trillion, twenty-one billion, ten million, two hundred nine thousand, nine hundred ninety-seven".