1330130121021 has 12 divisors (see below), whose sum is σ = 2069091299548. Its totient is φ = 818541612864.

The previous prime is 1330130121017. The next prime is 1330130121041. The reversal of 1330130121021 is 1201210310331.

1330130121021 is a `hidden beast` number, since 1 + 330 + 1 + 301 + 2 + 10 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 882115424100 + 448014696921 = 939210^2 + 669339^2 .

It is not a de Polignac number, because 1330130121021 - 2² = 1330130121017 is a prime.

It is a super-2 number, since 2×1330130121021² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1330130120985 and 1330130121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330130121041) 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, 5684316640 + ... + 5684316873.

Almost surely, 2^{1330130121021} is an apocalyptic number.

It is an amenable number.

1330130121021 is a deficient number, since it is larger than the sum of its proper divisors (738961178527).

1330130121021 is a wasteful number, since it uses less digits than its factorization.

1330130121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11368633532 (or 11368633529 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1330130121021 its reverse (1201210310331), we get a palindrome (2531340431352).

The spelling of 1330130121021 in words is "one trillion, three hundred thirty billion, one hundred thirty million, one hundred twenty-one thousand, twenty-one".