211130340443 has 8 divisors (see below), whose sum is σ = 238266215280. Its totient is φ = 185318166880.

The previous prime is 211130340427. The next prime is 211130340451. The reversal of 211130340443 is 344043031112.

It is a happy number.

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

It is not a de Polignac number, because 211130340443 - 2⁴ = 211130340427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211130342443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330924980 + ... + 330925617.

It is an arithmetic number, because the mean of its divisors is an integer number (29783276910).

Almost surely, 2^211130340443 is an apocalyptic number.

211130340443 is a deficient number, since it is larger than the sum of its proper divisors (27135874837).

211130340443 is a wasteful number, since it uses less digits than its factorization.

211130340443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661850637.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 211130340443 its reverse (344043031112), we get a palindrome (555173371555).

The spelling of 211130340443 in words is "two hundred eleven billion, one hundred thirty million, three hundred forty thousand, four hundred forty-three".