1321033332041 has 4 divisors (see below), whose sum is σ = 1334112870084. Its totient is φ = 1307953794000.

The previous prime is 1321033332029. The next prime is 1321033332061. The reversal of 1321033332041 is 1402333301231.

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 607846326025 + 713187006016 = 779645^2 + 844504^2 .

It is a cyclic number.

It is not a de Polignac number, because 1321033332041 - 2²² = 1321029137737 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 1321033332041.

It is not an unprimeable number, because it can be changed into a prime (1321033332061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6539768870 + ... + 6539769071.

It is an arithmetic number, because the mean of its divisors is an integer number (333528217521).

Almost surely, 2^{1321033332041} is an apocalyptic number.

It is an amenable number.

1321033332041 is a deficient number, since it is larger than the sum of its proper divisors (13079538043).

1321033332041 is a wasteful number, since it uses less digits than its factorization.

1321033332041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13079538042.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1321033332041 its reverse (1402333301231), we get a palindrome (2723366633272).

The spelling of 1321033332041 in words is "one trillion, three hundred twenty-one billion, thirty-three million, three hundred thirty-two thousand, forty-one".