211242203230400 has 42 divisors (see below), whose sum is σ = 519787846327740. Its totient is φ = 84496881291520.

The previous prime is 211242203230343. The next prime is 211242203230411. The reversal of 211242203230400 is 4032302242112.

It is a self number, because there is not a number n which added to its sum of digits gives 211242203230400.

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 in 5 ways as a sum of consecutive naturals, for example, 66013186910 + ... + 66013190109.

Almost surely, 2^{211242203230400} is an apocalyptic number.

211242203230400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211242203230400 is an abundant number, since it is smaller than the sum of its proper divisors (308545643097340).

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

211242203230400 is a wasteful number, since it uses less digits than its factorization.

211242203230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132026377041 (or 132026377026 counting only the distinct ones).

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

Adding to 211242203230400 its reverse (4032302242112), we get a palindrome (215274505472512).

The spelling of 211242203230400 in words is "two hundred eleven trillion, two hundred forty-two billion, two hundred three million, two hundred thirty thousand, four hundred".