99900101 has 8 divisors (see below), whose sum is σ = 114317184. Its totient is φ = 85519440.

The previous prime is 99900091. The next prime is 99900107. The reversal of 99900101 is 10100999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99900101 - 2¹⁴ = 99883717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99900107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945 + ... + 14438.

It is an arithmetic number, because the mean of its divisors is an integer number (14289648).

Almost surely, 2^99900101 is an apocalyptic number.

It is an amenable number.

99900101 is a deficient number, since it is larger than the sum of its proper divisors (14417083).

99900101 is a wasteful number, since it uses less digits than its factorization.

99900101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18211.

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

The square root of 99900101 is about 9995.0038019002. The cubic root of 99900101 is about 464.0042685026.

It can be divided in two parts, 99900 and 101, that added together give a palindrome (100001).

The spelling of 99900101 in words is "ninety-nine million, nine hundred thousand, one hundred one".