100120120073 has 2 divisors, whose sum is σ = 100120120074. Its totient is φ = 100120120072.

The previous prime is 100120120063. The next prime is 100120120153. The reversal of 100120120073 is 370021021001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93922022089 + 6198097984 = 306467^2 + 78728^2 .

It is a cyclic number.

It is not a de Polignac number, because 100120120073 - 2⁸ = 100120119817 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 (100120120063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060060036 + 50060060037.

It is an arithmetic number, because the mean of its divisors is an integer number (50060060037).

Almost surely, 2^100120120073 is an apocalyptic number.

It is an amenable number.

100120120073 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120120073 is an equidigital number, since it uses as much as digits as its factorization.

100120120073 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 100120120073 its reverse (370021021001), we get a palindrome (470141141074).

The spelling of 100120120073 in words is "one hundred billion, one hundred twenty million, one hundred twenty thousand, seventy-three".