1331330002121 has 8 divisors (see below), whose sum is σ = 1524849371520. Its totient is φ = 1138642975008.

The previous prime is 1331330002117. The next prime is 1331330002127. The reversal of 1331330002121 is 1212000331331.

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

It is not a de Polignac number, because 1331330002121 - 2² = 1331330002117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331330002093 and 1331330002102.

It is not an unprimeable number, because it can be changed into a prime (1331330002127) 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, 208082141 + ... + 208088538.

It is an arithmetic number, because the mean of its divisors is an integer number (190606171440).

Almost surely, 2^{1331330002121} is an apocalyptic number.

It is an amenable number.

1331330002121 is a deficient number, since it is larger than the sum of its proper divisors (193519369399).

1331330002121 is an equidigital number, since it uses as much as digits as its factorization.

1331330002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416171143.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1331330002121 its reverse (1212000331331), we get a palindrome (2543330333452).

The spelling of 1331330002121 in words is "one trillion, three hundred thirty-one billion, three hundred thirty million, two thousand, one hundred twenty-one".