10001109999971 has 2 divisors, whose sum is σ = 10001109999972. Its totient is φ = 10001109999970.

The previous prime is 10001109999929. The next prime is 10001110000009. The reversal of 10001109999971 is 17999990110001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10001109999971 - 2³⁸ = 9726232093027 is a prime.

It is not a weakly prime, because it can be changed into another prime (10001109999911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000554999985 + 5000554999986.

It is an arithmetic number, because the mean of its divisors is an integer number (5000554999986).

Almost surely, 2^{10001109999971} is an apocalyptic number.

10001109999971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001109999971 is an equidigital number, since it uses as much as digits as its factorization.

10001109999971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 413343, while the sum is 56.

The spelling of 10001109999971 in words is "ten trillion, one billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred seventy-one".