21300041421331 has 16 divisors (see below), whose sum is σ = 22802036774400. Its totient is φ = 19836167783328.

The previous prime is 21300041421317. The next prime is 21300041421383. The reversal of 21300041421331 is 13312414000312.

It is a cyclic number.

It is not a de Polignac number, because 21300041421331 - 2⁷ = 21300041421203 is a prime.

It is a super-2 number, since 2×21300041421331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21300041421296 and 21300041421305.

It is not an unprimeable number, because it can be changed into a prime (21300041427331) 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 15 ways as a sum of consecutive naturals, for example, 28307185 + ... + 29049901.

It is an arithmetic number, because the mean of its divisors is an integer number (1425127298400).

Almost surely, 2^{21300041421331} is an apocalyptic number.

21300041421331 is a deficient number, since it is larger than the sum of its proper divisors (1501995353069).

21300041421331 is a wasteful number, since it uses less digits than its factorization.

21300041421331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768378.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21300041421331 its reverse (13312414000312), we get a palindrome (34612455421643).

The spelling of 21300041421331 in words is "twenty-one trillion, three hundred billion, forty-one million, four hundred twenty-one thousand, three hundred thirty-one".