213303021121 has 8 divisors (see below), whose sum is σ = 213561633824. Its totient is φ = 213044476320.

The previous prime is 213303021119. The next prime is 213303021157. The reversal of 213303021121 is 121120303312.

213303021121 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 a cyclic number.

It is not a de Polignac number, because 213303021121 - 2¹ = 213303021119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213303021161) 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, 9181306 + ... + 9204508.

It is an arithmetic number, because the mean of its divisors is an integer number (26695204228).

Almost surely, 2^213303021121 is an apocalyptic number.

It is an amenable number.

213303021121 is a deficient number, since it is larger than the sum of its proper divisors (258612703).

213303021121 is an equidigital number, since it uses as much as digits as its factorization.

213303021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33951.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213303021121 its reverse (121120303312), we get a palindrome (334423324433).

The spelling of 213303021121 in words is "two hundred thirteen billion, three hundred three million, twenty-one thousand, one hundred twenty-one".