10021120073 has 2 divisors, whose sum is σ = 10021120074. Its totient is φ = 10021120072.

The previous prime is 10021120003. The next prime is 10021120091. The reversal of 10021120073 is 37002112001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9699886144 + 321233929 = 98488^2 + 17923^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021120073 - 2²⁶ = 9954011209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10021120003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010560036 + 5010560037.

It is an arithmetic number, because the mean of its divisors is an integer number (5010560037).

Almost surely, 2^10021120073 is an apocalyptic number.

It is an amenable number.

10021120073 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021120073 is an equidigital number, since it uses as much as digits as its factorization.

10021120073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

Adding to 10021120073 its reverse (37002112001), we get a palindrome (47023232074).

The spelling of 10021120073 in words is "ten billion, twenty-one million, one hundred twenty thousand, seventy-three".