100012221200971 has 2 divisors, whose sum is σ = 100012221200972. Its totient is φ = 100012221200970.

The previous prime is 100012221200963. The next prime is 100012221201043. The reversal of 100012221200971 is 179002122210001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100012221200971 - 2³ = 100012221200963 is a prime.

It is not a weakly prime, because it can be changed into another prime (100012221200921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50006110600485 + 50006110600486.

It is an arithmetic number, because the mean of its divisors is an integer number (50006110600486).

Almost surely, 2^{100012221200971} is an apocalyptic number.

100012221200971 is a deficient number, since it is larger than the sum of its proper divisors (1).

100012221200971 is an equidigital number, since it uses as much as digits as its factorization.

100012221200971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

Adding to 100012221200971 its reverse (179002122210001), we get a palindrome (279014343410972).

The spelling of 100012221200971 in words is "one hundred trillion, twelve billion, two hundred twenty-one million, two hundred thousand, nine hundred seventy-one".