100002099971 has 2 divisors, whose sum is σ = 100002099972. Its totient is φ = 100002099970.

The previous prime is 100002099959. The next prime is 100002100043. The reversal of 100002099971 is 179990200001.

It is a weak prime.

It is an emirp because it is prime and its reverse (179990200001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100002099971 is a prime.

It is not a weakly prime, because it can be changed into another prime (100002099931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001049985 + 50001049986.

It is an arithmetic number, because the mean of its divisors is an integer number (50001049986).

Almost surely, 2^100002099971 is an apocalyptic number.

100002099971 is a deficient number, since it is larger than the sum of its proper divisors (1).

100002099971 is an equidigital number, since it uses as much as digits as its factorization.

100002099971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 38.

Adding to 100002099971 its reverse (179990200001), we get a palindrome (279992299972).

The spelling of 100002099971 in words is "one hundred billion, two million, ninety-nine thousand, nine hundred seventy-one".