21200113203334 has 16 divisors (see below), whose sum is σ = 34255959323040. Its totient is φ = 9781918315200.

The previous prime is 21200113203329. The next prime is 21200113203407. The reversal of 21200113203334 is 43330231100212.

It is a junction number, because it is equal to n+sod(n) for n = 21200113203299 and 21200113203308.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 114460567 + ... + 114645634.

It is an arithmetic number, because the mean of its divisors is an integer number (2140997457690).

Almost surely, 2^{21200113203334} is an apocalyptic number.

21200113203334 is a deficient number, since it is larger than the sum of its proper divisors (13055846119706).

21200113203334 is a wasteful number, since it uses less digits than its factorization.

21200113203334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229109775.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21200113203334 its reverse (43330231100212), we get a palindrome (64530344303546).

The spelling of 21200113203334 in words is "twenty-one trillion, two hundred billion, one hundred thirteen million, two hundred three thousand, three hundred thirty-four".