211104243 has 48 divisors (see below), whose sum is σ = 359673600. Its totient is φ = 116811072.

The previous prime is 211104233. The next prime is 211104251. The reversal of 211104243 is 342401112.

It is not a de Polignac number, because 211104243 - 2⁵ = 211104211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211104233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 403380 + ... + 403902.

It is an arithmetic number, because the mean of its divisors is an integer number (7493200).

Almost surely, 2^211104243 is an apocalyptic number.

211104243 is a deficient number, since it is larger than the sum of its proper divisors (148569357).

211104243 is a wasteful number, since it uses less digits than its factorization.

211104243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 211104243 is about 14529.4267953006. The cubic root of 211104243 is about 595.4322053327.

Adding to 211104243 its reverse (342401112), we get a palindrome (553505355).

The spelling of 211104243 in words is "two hundred eleven million, one hundred four thousand, two hundred forty-three".