1321332011033 has 16 divisors (see below), whose sum is σ = 1425763161216. Its totient is φ = 1221527873280.

The previous prime is 1321332011003. The next prime is 1321332011039. The reversal of 1321332011033 is 3301102331231.

It is a cyclic number.

It is not a de Polignac number, because 1321332011033 - 2¹⁴ = 1321331994649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321332011039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8007488 + ... + 8170833.

It is an arithmetic number, because the mean of its divisors is an integer number (89110197576).

Almost surely, 2^{1321332011033} is an apocalyptic number.

It is an amenable number.

1321332011033 is a deficient number, since it is larger than the sum of its proper divisors (104431150183).

1321332011033 is a wasteful number, since it uses less digits than its factorization.

1321332011033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16178464.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1321332011033 its reverse (3301102331231), we get a palindrome (4622434342264).

The spelling of 1321332011033 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-two million, eleven thousand, thirty-three".