211013312211 has 24 divisors (see below), whose sum is σ = 328299666240. Its totient is φ = 129831901056.

The previous prime is 211013312117. The next prime is 211013312221. The reversal of 211013312211 is 112213310112.

211013312211 is a `hidden beast` number, since 2 + 110 + 1 + 331 + 221 + 1 = 666.

It is not a de Polignac number, because 211013312211 - 2²³ = 211004923603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211013312221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537030 + ... + 842868.

It is an arithmetic number, because the mean of its divisors is an integer number (13679152760).

Almost surely, 2^211013312211 is an apocalyptic number.

211013312211 is a deficient number, since it is larger than the sum of its proper divisors (117286354029).

211013312211 is a wasteful number, since it uses less digits than its factorization.

211013312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311755 (or 311752 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 211013312211 its reverse (112213310112), we get a palindrome (323226622323).

The spelling of 211013312211 in words is "two hundred eleven billion, thirteen million, three hundred twelve thousand, two hundred eleven".