211300111211 has 16 divisors (see below), whose sum is σ = 252253191168. Its totient is φ = 173055616800.

The previous prime is 211300111193. The next prime is 211300111247. The reversal of 211300111211 is 112111003112.

It is a cyclic number.

It is not a de Polignac number, because 211300111211 - 2¹⁰ = 211300110187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211300117211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545855 + ... + 848856.

It is an arithmetic number, because the mean of its divisors is an integer number (15765824448).

Almost surely, 2^211300111211 is an apocalyptic number.

211300111211 is a deficient number, since it is larger than the sum of its proper divisors (40953079957).

211300111211 is a wasteful number, since it uses less digits than its factorization.

211300111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395682.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 211300111211 its reverse (112111003112), we get a palindrome (323411114323).

It can be divided in two parts, 2113001 and 11211, that added together give a palindrome (2124212).

The spelling of 211300111211 in words is "two hundred eleven billion, three hundred million, one hundred eleven thousand, two hundred eleven".