211120012211 has 4 divisors (see below), whose sum is σ = 212299453800. Its totient is φ = 209940570624.

The previous prime is 211120012183. The next prime is 211120012283. The reversal of 211120012211 is 112210021112.

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 211120012211 - 2¹⁰ = 211120011187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211120012111) 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, 589720526 + ... + 589720883.

It is an arithmetic number, because the mean of its divisors is an integer number (53074863450).

Almost surely, 2^211120012211 is an apocalyptic number.

211120012211 is a deficient number, since it is larger than the sum of its proper divisors (1179441589).

211120012211 is a wasteful number, since it uses less digits than its factorization.

211120012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179441588.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211120012211 its reverse (112210021112), we get a palindrome (323330033323).

The spelling of 211120012211 in words is "two hundred eleven billion, one hundred twenty million, twelve thousand, two hundred eleven".