221310340120330 has 8 divisors (see below), whose sum is σ = 398358612216612. Its totient is φ = 88524136048128.

The previous prime is 221310340120291. The next prime is 221310340120333. The reversal of 221310340120330 is 33021043013122.

221310340120330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 204095881881369 + 17214458238961 = 14286213^2 + 4149031^2 .

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

It is a super-2 number, since 2×221310340120330² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221310340120295 and 221310340120304.

It is not an unprimeable number, because it can be changed into a prime (221310340120333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11065517006007 + ... + 11065517006026.

Almost surely, 2^{221310340120330} is an apocalyptic number.

221310340120330 is a deficient number, since it is larger than the sum of its proper divisors (177048272096282).

221310340120330 is a wasteful number, since it uses less digits than its factorization.

221310340120330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22131034012040.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 221310340120330 its reverse (33021043013122), we get a palindrome (254331383133452).

The spelling of 221310340120330 in words is "two hundred twenty-one trillion, three hundred ten billion, three hundred forty million, one hundred twenty thousand, three hundred thirty".