21213301341 has 4 divisors (see below), whose sum is σ = 28284401792. Its totient is φ = 14142200892.

The previous prime is 21213301273. The next prime is 21213301349. The reversal of 21213301341 is 14310331212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21213301341 - 2²⁵ = 21179746909 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 (21213301349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535550221 + ... + 3535550226.

It is an arithmetic number, because the mean of its divisors is an integer number (7071100448).

Almost surely, 2^21213301341 is an apocalyptic number.

It is an amenable number.

21213301341 is a deficient number, since it is larger than the sum of its proper divisors (7071100451).

21213301341 is an equidigital number, since it uses as much as digits as its factorization.

21213301341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7071100450.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21213301341 its reverse (14310331212), we get a palindrome (35523632553).

The spelling of 21213301341 in words is "twenty-one billion, two hundred thirteen million, three hundred one thousand, three hundred forty-one".