211105144234 has 16 divisors (see below), whose sum is σ = 317598152256. Its totient is φ = 105239534400.

The previous prime is 211105144231. The next prime is 211105144247. The reversal of 211105144234 is 432441501112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211105144231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854299 + ... + 1073329.

It is an arithmetic number, because the mean of its divisors is an integer number (19849884516).

Almost surely, 2^211105144234 is an apocalyptic number.

211105144234 is a deficient number, since it is larger than the sum of its proper divisors (106493008022).

211105144234 is a wasteful number, since it uses less digits than its factorization.

211105144234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220461.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 211105144234 its reverse (432441501112), we get a palindrome (643546645346).

The spelling of 211105144234 in words is "two hundred eleven billion, one hundred five million, one hundred forty-four thousand, two hundred thirty-four".