1330112020221 has 12 divisors (see below), whose sum is σ = 1921323981148. Its totient is φ = 886717779264.

The previous prime is 1330112020217. The next prime is 1330112020229. The reversal of 1330112020221 is 1220202110331.

1330112020221 is a `hidden beast` number, since 1 + 3 + 301 + 120 + 20 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 596709900900 + 733402119321 = 772470^2 + 856389^2 .

It is not a de Polignac number, because 1330112020221 - 2² = 1330112020217 is a prime.

It is a super-3 number, since 3×1330112020221³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330112020194 and 1330112020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330112020229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1603030 + ... + 2286903.

Almost surely, 2^{1330112020221} is an apocalyptic number.

It is an amenable number.

1330112020221 is a deficient number, since it is larger than the sum of its proper divisors (591211960927).

1330112020221 is a wasteful number, since it uses less digits than its factorization.

1330112020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927932 (or 3927929 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1330112020221 its reverse (1220202110331), we get a palindrome (2550314130552).

The spelling of 1330112020221 in words is "one trillion, three hundred thirty billion, one hundred twelve million, twenty thousand, two hundred twenty-one".