999001000211 has 16 divisors (see below), whose sum is σ = 1012065882048. Its totient is φ = 986005440000.

The previous prime is 999001000177. The next prime is 999001000229. The reversal of 999001000211 is 112000100999.

It is a cyclic number.

It is not a de Polignac number, because 999001000211 - 2²² = 998996805907 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999001000241) 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 15 ways as a sum of consecutive naturals, for example, 47558711 + ... + 47579711.

It is an arithmetic number, because the mean of its divisors is an integer number (63254117628).

Almost surely, 2^999001000211 is an apocalyptic number.

999001000211 is a deficient number, since it is larger than the sum of its proper divisors (13064881837).

999001000211 is a wasteful number, since it uses less digits than its factorization.

999001000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22622.

The product of its (nonzero) digits is 1458, while the sum is 32.

The spelling of 999001000211 in words is "nine hundred ninety-nine billion, one million, two hundred eleven", and thus it is an aban number.