211200121430313 has 16 divisors (see below), whose sum is σ = 295789631640576. Its totient is φ = 133786428771600.

The previous prime is 211200121430299. The next prime is 211200121430399. The reversal of 211200121430313 is 313034121002112.

It is not a de Polignac number, because 211200121430313 - 2²⁰ = 211200120381737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211200121430513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10135325095 + ... + 10135345932.

It is an arithmetic number, because the mean of its divisors is an integer number (18486851977536).

Almost surely, 2^{211200121430313} is an apocalyptic number.

211200121430313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

211200121430313 is a deficient number, since it is larger than the sum of its proper divisors (84589510210263).

211200121430313 is a wasteful number, since it uses less digits than its factorization.

211200121430313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20270671204.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 211200121430313 its reverse (313034121002112), we get a palindrome (524234242432425).

The spelling of 211200121430313 in words is "two hundred eleven trillion, two hundred billion, one hundred twenty-one million, four hundred thirty thousand, three hundred thirteen".