211143400011 has 12 divisors (see below), whose sum is σ = 305117947888. Its totient is φ = 140700865104.

The previous prime is 211143400001. The next prime is 211143400043. The reversal of 211143400011 is 110004341112.

211143400011 is a `hidden beast` number, since 211 + 1 + 43 + 400 + 0 + 11 = 666.

It is not a de Polignac number, because 211143400011 - 2⁵ = 211143399979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211143400001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5095015 + ... + 5136288.

Almost surely, 2^211143400011 is an apocalyptic number.

211143400011 is a deficient number, since it is larger than the sum of its proper divisors (93974547877).

211143400011 is a wasteful number, since it uses less digits than its factorization.

211143400011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10233602 (or 10233599 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211143400011 its reverse (110004341112), we get a palindrome (321147741123).

The spelling of 211143400011 in words is "two hundred eleven billion, one hundred forty-three million, four hundred thousand, eleven".