43112213211 has 4 divisors (see below), whose sum is σ = 57482950952. Its totient is φ = 28741475472.

The previous prime is 43112213147. The next prime is 43112213233. The reversal of 43112213211 is 11231221134.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 43112213211 - 2⁶ = 43112213147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43112213281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7185368866 + ... + 7185368871.

It is an arithmetic number, because the mean of its divisors is an integer number (14370737738).

Almost surely, 2^43112213211 is an apocalyptic number.

43112213211 is a deficient number, since it is larger than the sum of its proper divisors (14370737741).

43112213211 is a wasteful number, since it uses less digits than its factorization.

43112213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14370737740.

The product of its digits is 288, while the sum is 21.

Adding to 43112213211 its reverse (11231221134), we get a palindrome (54343434345).

The spelling of 43112213211 in words is "forty-three billion, one hundred twelve million, two hundred thirteen thousand, two hundred eleven".