10021022019997 has 2 divisors, whose sum is σ = 10021022019998. Its totient is φ = 10021022019996.

The previous prime is 10021022019991. The next prime is 10021022020057. The reversal of 10021022019997 is 79991022012001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9896944775481 + 124077244516 = 3145941^2 + 352246^2 .

It is an emirp because it is prime and its reverse (79991022012001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10021022019997 - 2³ = 10021022019989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021022019991) 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 as a sum of consecutive naturals, namely, 5010511009998 + 5010511009999.

It is an arithmetic number, because the mean of its divisors is an integer number (5010511009999).

Almost surely, 2^{10021022019997} is an apocalyptic number.

It is an amenable number.

10021022019997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021022019997 is an equidigital number, since it uses as much as digits as its factorization.

10021022019997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 43.

The spelling of 10021022019997 in words is "ten trillion, twenty-one billion, twenty-two million, nineteen thousand, nine hundred ninety-seven".