21441000014213 has 8 divisors (see below), whose sum is σ = 23090421995256. Its totient is φ = 19791594360000.

The previous prime is 21441000014197. The next prime is 21441000014237. The reversal of 21441000014213 is 31241000014412.

It can be written as a sum of positive squares in 4 ways, for example, as 4764410659009 + 16676589355204 = 2182753^2 + 4083698^2 .

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 21441000014213 - 2⁴ = 21441000014197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21441000034213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283138 + ... + 6672963.

It is an arithmetic number, because the mean of its divisors is an integer number (2886302749407).

Almost surely, 2^{21441000014213} is an apocalyptic number.

It is an amenable number.

21441000014213 is a deficient number, since it is larger than the sum of its proper divisors (1649421981043).

21441000014213 is a wasteful number, since it uses less digits than its factorization.

21441000014213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163415.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21441000014213 its reverse (31241000014412), we get a palindrome (52682000028625).

The spelling of 21441000014213 in words is "twenty-one trillion, four hundred forty-one billion, fourteen thousand, two hundred thirteen".