1330021213121 has 8 divisors (see below), whose sum is σ = 1332932181984. Its totient is φ = 1327110514240.

The previous prime is 1330021213117. The next prime is 1330021213123. The reversal of 1330021213121 is 1213121200331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1330021213121 - 2² = 1330021213117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330021213093 and 1330021213102.

It is not an unprimeable number, because it can be changed into a prime (1330021213123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12237806 + ... + 12346008.

It is an arithmetic number, because the mean of its divisors is an integer number (166616522748).

Almost surely, 2^{1330021213121} is an apocalyptic number.

It is an amenable number.

1330021213121 is a deficient number, since it is larger than the sum of its proper divisors (2910968863).

1330021213121 is a wasteful number, since it uses less digits than its factorization.

1330021213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134991.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1330021213121 its reverse (1213121200331), we get a palindrome (2543142413452).

The spelling of 1330021213121 in words is "one trillion, three hundred thirty billion, twenty-one million, two hundred thirteen thousand, one hundred twenty-one".