100120221000097 has 2 divisors, whose sum is σ = 100120221000098. Its totient is φ = 100120221000096.

The previous prime is 100120221000083. The next prime is 100120221000139. The reversal of 100120221000097 is 790000122021001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97913380024161 + 2206840975936 = 9895119^2 + 1485544^2 .

It is a cyclic number.

It is not a de Polignac number, because 100120221000097 - 2⁷ = 100120220999969 is a prime.

It is not a weakly prime, because it can be changed into another prime (100120221000697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060110500048 + 50060110500049.

It is an arithmetic number, because the mean of its divisors is an integer number (50060110500049).

Almost surely, 2^{100120221000097} is an apocalyptic number.

It is an amenable number.

100120221000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120221000097 is an equidigital number, since it uses as much as digits as its factorization.

100120221000097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 100120221000097 its reverse (790000122021001), we get a palindrome (890120343021098).

The spelling of 100120221000097 in words is "one hundred trillion, one hundred twenty billion, two hundred twenty-one million, ninety-seven", and thus it is an aban number.