211211123343 has 32 divisors (see below), whose sum is σ = 315606792960. Its totient is φ = 124512572160.

The previous prime is 211211123339. The next prime is 211211123353. The reversal of 211211123343 is 343321112112.

It is not a de Polignac number, because 211211123343 - 2² = 211211123339 is a prime.

It is a super-2 number, since 2×211211123343² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211211123353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4775296 + ... + 4819322.

It is an arithmetic number, because the mean of its divisors is an integer number (9862712280).

Almost surely, 2^211211123343 is an apocalyptic number.

211211123343 is a deficient number, since it is larger than the sum of its proper divisors (104395669617).

211211123343 is a wasteful number, since it uses less digits than its factorization.

211211123343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48007.

The product of its digits is 864, while the sum is 24.

Adding to 211211123343 its reverse (343321112112), we get a palindrome (554532235455).

The spelling of 211211123343 in words is "two hundred eleven billion, two hundred eleven million, one hundred twenty-three thousand, three hundred forty-three".