211111000099 has 4 divisors (see below), whose sum is σ = 211124429080. Its totient is φ = 211097571120.

The previous prime is 211111000097. The next prime is 211111000117. The reversal of 211111000099 is 990000111112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211111000099 - 2¹ = 211111000097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211111000097) 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, 6690882 + ... + 6722359.

It is an arithmetic number, because the mean of its divisors is an integer number (52781107270).

Almost surely, 2^211111000099 is an apocalyptic number.

211111000099 is a deficient number, since it is larger than the sum of its proper divisors (13428981).

211111000099 is a wasteful number, since it uses less digits than its factorization.

211111000099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13428980.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 211111000099 in words is "two hundred eleven billion, one hundred eleven million, ninety-nine", and thus it is an aban number.