21331300013211 has 8 divisors (see below), whose sum is σ = 28784404837440. Its totient is φ = 14049530932232.

The previous prime is 21331300013173. The next prime is 21331300013237. The reversal of 21331300013211 is 11231000313312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21331300013211 - 2⁹ = 21331300012699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21331300013411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42833935521 + ... + 42833936018.

It is an arithmetic number, because the mean of its divisors is an integer number (3598050604680).

Almost surely, 2^{21331300013211} is an apocalyptic number.

21331300013211 is a deficient number, since it is larger than the sum of its proper divisors (7453104824229).

21331300013211 is an equidigital number, since it uses as much as digits as its factorization.

21331300013211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85667871625.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21331300013211 its reverse (11231000313312), we get a palindrome (32562300326523).

The spelling of 21331300013211 in words is "twenty-one trillion, three hundred thirty-one billion, three hundred million, thirteen thousand, two hundred eleven".