1321332002011 has 8 divisors (see below), whose sum is σ = 1598922758880. Its totient is φ = 1065948505728.

The previous prime is 1321332001981. The next prime is 1321332002041. The reversal of 1321332002011 is 1102002331231.

It is an interprime number because it is at equal distance from previous prime (1321332001981) and next prime (1321332002041).

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 1321332002011 - 2¹¹ = 1321331999963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1321332002011.

It is not an unprimeable number, because it can be changed into a prime (1321332002041) 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, 5551815016 + ... + 5551815253.

It is an arithmetic number, because the mean of its divisors is an integer number (199865344860).

Almost surely, 2^{1321332002011} is an apocalyptic number.

1321332002011 is a deficient number, since it is larger than the sum of its proper divisors (277590756869).

1321332002011 is a wasteful number, since it uses less digits than its factorization.

1321332002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11103630293.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1321332002011 its reverse (1102002331231), we get a palindrome (2423334333242).

The spelling of 1321332002011 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-two million, two thousand, eleven".