999100202112211 has 4 divisors (see below), whose sum is σ = 1006967132837632. Its totient is φ = 991233271386792.

The previous prime is 999100202112209. The next prime is 999100202112253. The reversal of 999100202112211 is 112211202001999.

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 999100202112211 - 2¹ = 999100202112209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999100202182211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3933465362520 + ... + 3933465362773.

It is an arithmetic number, because the mean of its divisors is an integer number (251741783209408).

Almost surely, 2^{999100202112211} is an apocalyptic number.

999100202112211 is a deficient number, since it is larger than the sum of its proper divisors (7866930725421).

999100202112211 is a wasteful number, since it uses less digits than its factorization.

999100202112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866930725420.

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 999100202112211 in words is "nine hundred ninety-nine trillion, one hundred billion, two hundred two million, one hundred twelve thousand, two hundred eleven".