213100011321 has 8 divisors (see below), whose sum is σ = 284153284800. Its totient is φ = 142056706032.

The previous prime is 213100011307. The next prime is 213100011323. The reversal of 213100011321 is 123110001312.

It is a happy number.

213100011321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213100011321 - 2⁷ = 213100011193 is a prime.

It is a super-2 number, since 2×213100011321² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213100011321.

It is not an unprimeable number, because it can be changed into a prime (213100011323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2442021 + ... + 2527778.

It is an arithmetic number, because the mean of its divisors is an integer number (35519160600).

Almost surely, 2^213100011321 is an apocalyptic number.

It is an amenable number.

213100011321 is a deficient number, since it is larger than the sum of its proper divisors (71053273479).

213100011321 is a wasteful number, since it uses less digits than its factorization.

213100011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984095.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 213100011321 its reverse (123110001312), we get a palindrome (336210012633).

The spelling of 213100011321 in words is "two hundred thirteen billion, one hundred million, eleven thousand, three hundred twenty-one".