100001012099 has 2 divisors, whose sum is σ = 100001012100. Its totient is φ = 100001012098.

The previous prime is 100001012081. The next prime is 100001012101. The reversal of 100001012099 is 990210100001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100001012099 is a prime.

Together with 100001012101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100001012039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000506049 + 50000506050.

It is an arithmetic number, because the mean of its divisors is an integer number (50000506050).

Almost surely, 2^100001012099 is an apocalyptic number.

100001012099 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001012099 is an equidigital number, since it uses as much as digits as its factorization.

100001012099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 100001012099 in words is "one hundred billion, one million, twelve thousand, ninety-nine".