1331002133121 has 8 divisors (see below), whose sum is σ = 1791899312320. Its totient is φ = 878719854672.

The previous prime is 1331002133119. The next prime is 1331002133129. The reversal of 1331002133121 is 1213312001331.

It is a happy number.

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

It is not a de Polignac number, because 1331002133121 - 2¹ = 1331002133119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331002133129) 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, 2153724826 + ... + 2153725443.

It is an arithmetic number, because the mean of its divisors is an integer number (223987414040).

Almost surely, 2^{1331002133121} is an apocalyptic number.

It is an amenable number.

1331002133121 is a deficient number, since it is larger than the sum of its proper divisors (460897179199).

1331002133121 is a wasteful number, since it uses less digits than its factorization.

1331002133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307450375.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1331002133121 its reverse (1213312001331), we get a palindrome (2544314134452).

The spelling of 1331002133121 in words is "one trillion, three hundred thirty-one billion, two million, one hundred thirty-three thousand, one hundred twenty-one".