100000109971 has 2 divisors, whose sum is σ = 100000109972. Its totient is φ = 100000109970.

The previous prime is 100000109947. The next prime is 100000110011. The reversal of 100000109971 is 179901000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100000109971 - 2⁹ = 100000109459 is a prime.

It is not a weakly prime, because it can be changed into another prime (100000109921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000054985 + 50000054986.

It is an arithmetic number, because the mean of its divisors is an integer number (50000054986).

Almost surely, 2^100000109971 is an apocalyptic number.

100000109971 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000109971 is an equidigital number, since it uses as much as digits as its factorization.

100000109971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 28.

Adding to 100000109971 its reverse (179901000001), we get a palindrome (279901109972).

The spelling of 100000109971 in words is "one hundred billion, one hundred nine thousand, nine hundred seventy-one".