211241142111 has 8 divisors (see below), whose sum is σ = 283520120704. Its totient is φ = 139894795800.

The previous prime is 211241142107. The next prime is 211241142113. The reversal of 211241142111 is 111241142112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211241142111 - 2² = 211241142107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211241142113) 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, 233157541 + ... + 233158446.

It is an arithmetic number, because the mean of its divisors is an integer number (35440015088).

Almost surely, 2^211241142111 is an apocalyptic number.

211241142111 is a deficient number, since it is larger than the sum of its proper divisors (72278978593).

211241142111 is a wasteful number, since it uses less digits than its factorization.

211241142111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466316141.

The product of its digits is 128, while the sum is 21.

Adding to 211241142111 its reverse (111241142112), we get a palindrome (322482284223).

Subtracting from 211241142111 its reverse (111241142112), we obtain a palindrome (99999999999).

The spelling of 211241142111 in words is "two hundred eleven billion, two hundred forty-one million, one hundred forty-two thousand, one hundred eleven".