211130404043 has 4 divisors (see below), whose sum is σ = 227371204368. Its totient is φ = 194889603720.

The previous prime is 211130404021. The next prime is 211130404057. The reversal of 211130404043 is 340404031112.

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

It is a cyclic number.

It is not a de Polignac number, because 211130404043 - 2¹⁰ = 211130403019 is a prime.

It is a super-2 number, since 2×211130404043² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211130404003) 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 3 ways as a sum of consecutive naturals, for example, 8120400143 + ... + 8120400168.

It is an arithmetic number, because the mean of its divisors is an integer number (56842801092).

Almost surely, 2^211130404043 is an apocalyptic number.

211130404043 is a deficient number, since it is larger than the sum of its proper divisors (16240800325).

211130404043 is a wasteful number, since it uses less digits than its factorization.

211130404043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16240800324.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211130404043 its reverse (340404031112), we get a palindrome (551534435155).

The spelling of 211130404043 in words is "two hundred eleven billion, one hundred thirty million, four hundred four thousand, forty-three".