99110010001 has 4 divisors (see below), whose sum is σ = 99120030004. Its totient is φ = 99099990000.

The previous prime is 99110009903. The next prime is 99110010049. The reversal of 99110010001 is 10001001199.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60000992401 + 39109017600 = 244951^2 + 197760^2 .

It is a cyclic number.

It is not a de Polignac number, because 99110010001 - 2¹⁷ = 99109878929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99110010301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4995150 + ... + 5014951.

It is an arithmetic number, because the mean of its divisors is an integer number (24780007501).

Almost surely, 2^99110010001 is an apocalyptic number.

It is an amenable number.

99110010001 is a deficient number, since it is larger than the sum of its proper divisors (10020003).

99110010001 is a wasteful number, since it uses less digits than its factorization.

99110010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020002.

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 99110010001 in words is "ninety-nine billion, one hundred ten million, ten thousand, one".