99000101 has 2 divisors, whose sum is σ = 99000102. Its totient is φ = 99000100.

The previous prime is 99000079. The next prime is 99000107. The reversal of 99000101 is 10100099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82992100 + 16008001 = 9110^2 + 4001^2 .

It is an emirp because it is prime and its reverse (10100099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99000101 - 2⁶ = 99000037 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99000107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49500050 + 49500051.

It is an arithmetic number, because the mean of its divisors is an integer number (49500051).

Almost surely, 2^99000101 is an apocalyptic number.

It is an amenable number.

99000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

99000101 is an equidigital number, since it uses as much as digits as its factorization.

99000101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 99000101 is about 9949.8794465059. The cubic root of 99000101 is about 462.6066582356.

The spelling of 99000101 in words is "ninety-nine million, one hundred one", and thus it is an aban number.