999999200101 has 8 divisors (see below), whose sum is σ = 1090915560000. Its totient is φ = 909084063840.

The previous prime is 999999200089. The next prime is 999999200111. The reversal of 999999200101 is 101002999999.

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 999999200101 - 2⁷ = 999999199973 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 (999999200111) 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, 2617960 + ... + 2975518.

It is an arithmetic number, because the mean of its divisors is an integer number (136364445000).

Almost surely, 2^999999200101 is an apocalyptic number.

It is an amenable number.

999999200101 is a deficient number, since it is larger than the sum of its proper divisors (90916359899).

999999200101 is a wasteful number, since it uses less digits than its factorization.

999999200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611819.

The product of its (nonzero) digits is 1062882, while the sum is 58.

The spelling of 999999200101 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, two hundred thousand, one hundred one".