99899101 has 2 divisors, whose sum is σ = 99899102. Its totient is φ = 99899100.

The previous prime is 99899099. The next prime is 99899147. The reversal of 99899101 is 10199899.

It is an a-pointer prime, because the next prime (99899147) can be obtained adding 99899101 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91202500 + 8696601 = 9550^2 + 2949^2 .

It is a cyclic number.

It is not a de Polignac number, because 99899101 - 2¹ = 99899099 is a prime.

Together with 99899099, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99839101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49949550 + 49949551.

It is an arithmetic number, because the mean of its divisors is an integer number (49949551).

Almost surely, 2^99899101 is an apocalyptic number.

It is an amenable number.

99899101 is a deficient number, since it is larger than the sum of its proper divisors (1).

99899101 is an equidigital number, since it uses as much as digits as its factorization.

99899101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 46.

The square root of 99899101 is about 9994.9537767816. The cubic root of 99899101 is about 464.0027202699.

It can be divided in two parts, 99899 and 101, that added together give a 5-th power (100000 = 10⁵).

The spelling of 99899101 in words is "ninety-nine million, eight hundred ninety-nine thousand, one hundred one".