211110011211 has 16 divisors (see below), whose sum is σ = 317657698560. Its totient is φ = 123533548320.

The previous prime is 211110011207. The next prime is 211110011263. The reversal of 211110011211 is 112110011112.

It is not a de Polignac number, because 211110011211 - 2² = 211110011207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211110011291) 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, 110296855 + ... + 110298768.

It is an arithmetic number, because the mean of its divisors is an integer number (19853606160).

Almost surely, 2^211110011211 is an apocalyptic number.

211110011211 is a deficient number, since it is larger than the sum of its proper divisors (106547687349).

211110011211 is a wasteful number, since it uses less digits than its factorization.

211110011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220595666.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 211110011211 its reverse (112110011112), we get a palindrome (323220022323).

Subtracting from 211110011211 its reverse (112110011112), we obtain a palindrome (99000000099).

The spelling of 211110011211 in words is "two hundred eleven billion, one hundred ten million, eleven thousand, two hundred eleven".