211308402204 has 72 divisors (see below), whose sum is σ = 569356678800. Its totient is φ = 65847885312.

The previous prime is 211308402203. The next prime is 211308402257. The reversal of 211308402204 is 402204803112.

211308402204 is a `hidden beast` number, since 21 + 1 + 30 + 8 + 402 + 204 = 666.

211308402204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211308402203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1067454 + ... + 1249829.

It is an arithmetic number, because the mean of its divisors is an integer number (7907731650).

Almost surely, 2^211308402204 is an apocalyptic number.

It is an amenable number.

211308402204 is an abundant number, since it is smaller than the sum of its proper divisors (358048276596).

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

211308402204 is a wasteful number, since it uses less digits than its factorization.

211308402204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317459 (or 2317454 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The spelling of 211308402204 in words is "two hundred eleven billion, three hundred eight million, four hundred two thousand, two hundred four".