211143341211 has 24 divisors (see below), whose sum is σ = 309480794112. Its totient is φ = 127950543600.

The previous prime is 211143341207. The next prime is 211143341221. The reversal of 211143341211 is 112143341112.

It is not a de Polignac number, because 211143341211 - 2² = 211143341207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211143341221) 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, 3559566 + ... + 3618396.

It is an arithmetic number, because the mean of its divisors is an integer number (12895033088).

Almost surely, 2^211143341211 is an apocalyptic number.

211143341211 is a deficient number, since it is larger than the sum of its proper divisors (98337452901).

211143341211 is a wasteful number, since it uses less digits than its factorization.

211143341211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68743 (or 68732 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

Adding to 211143341211 its reverse (112143341112), we get a palindrome (323286682323).

Subtracting from 211143341211 its reverse (112143341112), we obtain a palindrome (99000000099).

The spelling of 211143341211 in words is "two hundred eleven billion, one hundred forty-three million, three hundred forty-one thousand, two hundred eleven".