211375716099 has 4 divisors (see below), whose sum is σ = 281834288136. Its totient is φ = 140917144064.

The previous prime is 211375716049. The next prime is 211375716107. The reversal of 211375716099 is 990617573112.

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 211375716099 - 2⁹ = 211375715587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211375716049) 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, 35229286014 + ... + 35229286019.

It is an arithmetic number, because the mean of its divisors is an integer number (70458572034).

Almost surely, 2^211375716099 is an apocalyptic number.

211375716099 is a deficient number, since it is larger than the sum of its proper divisors (70458572037).

211375716099 is an equidigital number, since it uses as much as digits as its factorization.

211375716099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70458572036.

The product of its (nonzero) digits is 714420, while the sum is 51.

The spelling of 211375716099 in words is "two hundred eleven billion, three hundred seventy-five million, seven hundred sixteen thousand, ninety-nine".