1302330100221 has 6 divisors (see below), whose sum is σ = 1881143478110. Its totient is φ = 868220066808.

The previous prime is 1302330100199. The next prime is 1302330100223. The reversal of 1302330100221 is 1220010332031.

1302330100221 is a `hidden beast` number, since 1 + 302 + 330 + 10 + 0 + 2 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1197140151321 + 105189948900 = 1094139^2 + 324330^2 .

It is not a de Polignac number, because 1302330100221 - 2⁵ = 1302330100189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302330100194 and 1302330100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302330100223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72351672226 + ... + 72351672243.

Almost surely, 2^{1302330100221} is an apocalyptic number.

It is an amenable number.

1302330100221 is a deficient number, since it is larger than the sum of its proper divisors (578813377889).

1302330100221 is a wasteful number, since it uses less digits than its factorization.

1302330100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144703344475 (or 144703344472 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1302330100221 its reverse (1220010332031), we get a palindrome (2522340432252).

The spelling of 1302330100221 in words is "one trillion, three hundred two billion, three hundred thirty million, one hundred thousand, two hundred twenty-one".