1321115222333 has 4 divisors (see below), whose sum is σ = 1321123520220. Its totient is φ = 1321106924448.

The previous prime is 1321115222321. The next prime is 1321115222353. The reversal of 1321115222333 is 3332225111231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 337791115204 + 983324107129 = 581198^2 + 991627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1321115222333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1321115222296 and 1321115222305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321115222353) 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 3 ways as a sum of consecutive naturals, for example, 3905360 + ... + 4230137.

It is an arithmetic number, because the mean of its divisors is an integer number (330280880055).

Almost surely, 2^{1321115222333} is an apocalyptic number.

It is an amenable number.

1321115222333 is a deficient number, since it is larger than the sum of its proper divisors (8297887).

1321115222333 is an equidigital number, since it uses as much as digits as its factorization.

1321115222333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297886.

The product of its digits is 6480, while the sum is 29.

The spelling of 1321115222333 in words is "one trillion, three hundred twenty-one billion, one hundred fifteen million, two hundred twenty-two thousand, three hundred thirty-three".