1321112143321 has 8 divisors (see below), whose sum is σ = 1367777980800. Its totient is φ = 1274520322320.

The previous prime is 1321112143301. The next prime is 1321112143339. The reversal of 1321112143321 is 1233412111231.

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 1321112143321 - 2¹⁹ = 1321111619033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321112143301) 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, 18467791 + ... + 18539188.

It is an arithmetic number, because the mean of its divisors is an integer number (170972247600).

Almost surely, 2^{1321112143321} is an apocalyptic number.

It is an amenable number.

1321112143321 is a deficient number, since it is larger than the sum of its proper divisors (46665837479).

1321112143321 is a wasteful number, since it uses less digits than its factorization.

1321112143321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37008239.

The product of its digits is 864, while the sum is 25.

Adding to 1321112143321 its reverse (1233412111231), we get a palindrome (2554524254552).

The spelling of 1321112143321 in words is "one trillion, three hundred twenty-one billion, one hundred twelve million, one hundred forty-three thousand, three hundred twenty-one".