100001011109971 has 2 divisors, whose sum is σ = 100001011109972. Its totient is φ = 100001011109970.

The previous prime is 100001011109939. The next prime is 100001011110043. The reversal of 100001011109971 is 179901110100001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100001011109971 - 2⁵ = 100001011109939 is a prime.

It is not a weakly prime, because it can be changed into another prime (100001011109771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000505554985 + 50000505554986.

It is an arithmetic number, because the mean of its divisors is an integer number (50000505554986).

Almost surely, 2^{100001011109971} is an apocalyptic number.

100001011109971 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001011109971 is an equidigital number, since it uses as much as digits as its factorization.

100001011109971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 31.

Adding to 100001011109971 its reverse (179901110100001), we get a palindrome (279902121209972).

The spelling of 100001011109971 in words is "one hundred trillion, one billion, eleven million, one hundred nine thousand, nine hundred seventy-one".