213302320121 has 8 divisors (see below), whose sum is σ = 232740328800. Its totient is φ = 193872126240.

The previous prime is 213302320111. The next prime is 213302320123. The reversal of 213302320121 is 121023203312.

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 213302320121 - 2³⁰ = 212228578297 is a prime.

It is a super-2 number, since 2×213302320121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213302320093 and 213302320102.

It is not an unprimeable number, because it can be changed into a prime (213302320123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896551 + ... + 2005868.

It is an arithmetic number, because the mean of its divisors is an integer number (29092541100).

Almost surely, 2^213302320121 is an apocalyptic number.

It is an amenable number.

213302320121 is a deficient number, since it is larger than the sum of its proper divisors (19438008679).

213302320121 is a wasteful number, since it uses less digits than its factorization.

213302320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907399.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213302320121 its reverse (121023203312), we get a palindrome (334325523433).

The spelling of 213302320121 in words is "two hundred thirteen billion, three hundred two million, three hundred twenty thousand, one hundred twenty-one".