213324002214021 has 6 divisors (see below), whose sum is σ = 308134669864710. Its totient is φ = 142216001476008.

The previous prime is 213324002213989. The next prime is 213324002214047. The reversal of 213324002214021 is 120412200423312.

213324002214021 is a `hidden beast` number, since 2 + 1 + 3 + 32 + 4 + 0 + 0 + 221 + 402 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 140988313822500 + 72335688391521 = 11873850^2 + 8505039^2 .

It is not a de Polignac number, because 213324002214021 - 2⁵ = 213324002213989 is a prime.

It is a super-4 number, since 4×213324002214021⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213324002214821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11851333456326 + ... + 11851333456343.

It is an arithmetic number, because the mean of its divisors is an integer number (51355778310785).

Almost surely, 2^{213324002214021} is an apocalyptic number.

It is an amenable number.

213324002214021 is a deficient number, since it is larger than the sum of its proper divisors (94810667650689).

213324002214021 is a wasteful number, since it uses less digits than its factorization.

213324002214021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23702666912675 (or 23702666912672 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 213324002214021 its reverse (120412200423312), we get a palindrome (333736202637333).

The spelling of 213324002214021 in words is "two hundred thirteen trillion, three hundred twenty-four billion, two million, two hundred fourteen thousand, twenty-one".