99000900101 has 4 divisors (see below), whose sum is σ = 99010502604. Its totient is φ = 98991297600.

The previous prime is 99000900073. The next prime is 99000900121. The reversal of 99000900101 is 10100900099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10100900099 = 19 ⋅531626321.

It can be written as a sum of positive squares in 2 ways, for example, as 76688009476 + 22312890625 = 276926^2 + 149375^2 .

It is a cyclic number.

It is not a de Polignac number, because 99000900101 - 2¹⁴ = 99000883717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99000900121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4785770 + ... + 4806411.

It is an arithmetic number, because the mean of its divisors is an integer number (24752625651).

Almost surely, 2^99000900101 is an apocalyptic number.

It is an amenable number.

99000900101 is a deficient number, since it is larger than the sum of its proper divisors (9602503).

99000900101 is a wasteful number, since it uses less digits than its factorization.

99000900101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9602502.

The product of its (nonzero) digits is 729, while the sum is 29.

The spelling of 99000900101 in words is "ninety-nine billion, nine hundred thousand, one hundred one".