211112112310211 has 4 divisors (see below), whose sum is σ = 241270985497392. Its totient is φ = 180953239123032.

The previous prime is 211112112310201. The next prime is 211112112310313. The reversal of 211112112310211 is 112013211211112.

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 211112112310211 - 2¹⁴ = 211112112293827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211112112310201) 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, 15079436593580 + ... + 15079436593593.

It is an arithmetic number, because the mean of its divisors is an integer number (60317746374348).

Almost surely, 2^{211112112310211} is an apocalyptic number.

211112112310211 is a deficient number, since it is larger than the sum of its proper divisors (30158873187181).

211112112310211 is an equidigital number, since it uses as much as digits as its factorization.

211112112310211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30158873187180.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 211112112310211 its reverse (112013211211112), we get a palindrome (323125323521323).

The spelling of 211112112310211 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred twelve million, three hundred ten thousand, two hundred eleven".