999990100211 has 8 divisors (see below), whose sum is σ = 1000621547520. Its totient is φ = 999358762248.

The previous prime is 999990100199. The next prime is 999990100229. The reversal of 999990100211 is 112001099999.

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 999990100211 - 2³⁰ = 998916358387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 999990100211.

It is not an unprimeable number, because it can be changed into a prime (999990102211) 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 in 7 ways as a sum of consecutive naturals, for example, 25472780 + ... + 25512006.

It is an arithmetic number, because the mean of its divisors is an integer number (125077693440).

Almost surely, 2^999990100211 is an apocalyptic number.

999990100211 is a deficient number, since it is larger than the sum of its proper divisors (631447309).

999990100211 is a wasteful number, since it uses less digits than its factorization.

999990100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54673.

The product of its (nonzero) digits is 118098, while the sum is 50.

The spelling of 999990100211 in words is "nine hundred ninety-nine billion, nine hundred ninety million, one hundred thousand, two hundred eleven".