211104143 has 4 divisors (see below), whose sum is σ = 220282608. Its totient is φ = 201925680.

The previous prime is 211104077. The next prime is 211104161. The reversal of 211104143 is 341401112.

It is a happy number.

211104143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211104143 - 2¹⁰ = 211103119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211104343) 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, 4589198 + ... + 4589243.

It is an arithmetic number, because the mean of its divisors is an integer number (55070652).

Almost surely, 2^211104143 is an apocalyptic number.

211104143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211104143 is a deficient number, since it is larger than the sum of its proper divisors (9178465).

211104143 is an equidigital number, since it uses as much as digits as its factorization.

211104143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9178464.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 211104143 is about 14529.4233540082. The cubic root of 211104143 is about 595.4321113140.

Adding to 211104143 its reverse (341401112), we get a palindrome (552505255).

The spelling of 211104143 in words is "two hundred eleven million, one hundred four thousand, one hundred forty-three".