1321301133321 has 8 divisors (see below), whose sum is σ = 1897252909440. Its totient is φ = 813108389712.

The previous prime is 1321301133301. The next prime is 1321301133323. The reversal of 1321301133321 is 1233311031231.

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

It is not a de Polignac number, because 1321301133321 - 2⁷ = 1321301133193 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1321301133291 and 1321301133300.

It is not an unprimeable number, because it can be changed into a prime (1321301133323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16939758081 + ... + 16939758158.

It is an arithmetic number, because the mean of its divisors is an integer number (237156613680).

Almost surely, 2^{1321301133321} is an apocalyptic number.

It is an amenable number.

1321301133321 is a deficient number, since it is larger than the sum of its proper divisors (575951776119).

1321301133321 is a wasteful number, since it uses less digits than its factorization.

1321301133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33879516255.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1321301133321 its reverse (1233311031231), we get a palindrome (2554612164552).

The spelling of 1321301133321 in words is "one trillion, three hundred twenty-one billion, three hundred one million, one hundred thirty-three thousand, three hundred twenty-one".