211204330404 has 12 divisors (see below), whose sum is σ = 492810104304. Its totient is φ = 70401443464.

The previous prime is 211204330399. The next prime is 211204330417. The reversal of 211204330404 is 404033402112.

211204330404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×211204330404³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8800180422 + ... + 8800180445.

It is an arithmetic number, because the mean of its divisors is an integer number (41067508692).

Almost surely, 2^211204330404 is an apocalyptic number.

It is an amenable number.

211204330404 is an abundant number, since it is smaller than the sum of its proper divisors (281605773900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211204330404 is a wasteful number, since it uses less digits than its factorization.

211204330404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17600360874 (or 17600360872 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 211204330404 its reverse (404033402112), we get a palindrome (615237732516).

The spelling of 211204330404 in words is "two hundred eleven billion, two hundred four million, three hundred thirty thousand, four hundred four".