1230330110221 has 4 divisors (see below), whose sum is σ = 1230334953372. Its totient is φ = 1230325267072.

The previous prime is 1230330110203. The next prime is 1230330110227. The reversal of 1230330110221 is 1220110330321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 622538358121 + 607791752100 = 789011^2 + 779610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230330110221 - 2¹¹ = 1230330108173 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 (1230330110227) 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, 2018116 + ... + 2556061.

It is an arithmetic number, because the mean of its divisors is an integer number (307583738343).

Almost surely, 2^{1230330110221} is an apocalyptic number.

It is an amenable number.

1230330110221 is a deficient number, since it is larger than the sum of its proper divisors (4843151).

1230330110221 is an equidigital number, since it uses as much as digits as its factorization.

1230330110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843150.

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

Adding to 1230330110221 its reverse (1220110330321), we get a palindrome (2450440440542).

The spelling of 1230330110221 in words is "one trillion, two hundred thirty billion, three hundred thirty million, one hundred ten thousand, two hundred twenty-one".