211204344430 has 8 divisors (see below), whose sum is σ = 380167819992. Its totient is φ = 84481737768.

The previous prime is 211204344419. The next prime is 211204344469. The reversal of 211204344430 is 34443402112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211204344430² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10560217212 + ... + 10560217231.

It is an arithmetic number, because the mean of its divisors is an integer number (47520977499).

Almost surely, 2^211204344430 is an apocalyptic number.

211204344430 is a deficient number, since it is larger than the sum of its proper divisors (168963475562).

211204344430 is a wasteful number, since it uses less digits than its factorization.

211204344430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21120434450.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 211204344430 its reverse (34443402112), we get a palindrome (245647746542).

The spelling of 211204344430 in words is "two hundred eleven billion, two hundred four million, three hundred forty-four thousand, four hundred thirty".