211404323204 has 6 divisors (see below), whose sum is σ = 369957565614. Its totient is φ = 105702161600.

The previous prime is 211404323177. The next prime is 211404323231. The reversal of 211404323204 is 402323404112.

211404323204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211404323177) and next prime (211404323231).

It can be written as a sum of positive squares in only one way, i.e., 115632642304 + 95771680900 = 340048^2 + 309470^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26425540397 + ... + 26425540404.

It is an arithmetic number, because the mean of its divisors is an integer number (61659594269).

Almost surely, 2^211404323204 is an apocalyptic number.

It is an amenable number.

211404323204 is a deficient number, since it is larger than the sum of its proper divisors (158553242410).

211404323204 is a wasteful number, since it uses less digits than its factorization.

211404323204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52851080805 (or 52851080803 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 211404323204 its reverse (402323404112), we get a palindrome (613727727316).

The spelling of 211404323204 in words is "two hundred eleven billion, four hundred four million, three hundred twenty-three thousand, two hundred four".