1321322002033 has 16 divisors (see below), whose sum is σ = 1526563044864. Its totient is φ = 1130298338560.

The previous prime is 1321322002009. The next prime is 1321322002051. The reversal of 1321322002033 is 3302002231231.

It is a cyclic number.

It is not a de Polignac number, because 1321322002033 - 2¹³ = 1321321993841 is a prime.

It is a super-2 number, since 2×1321322002033² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321322001995 and 1321322002013.

It is not an unprimeable number, because it can be changed into a prime (1321322092033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105216 + ... + 1629022.

It is an arithmetic number, because the mean of its divisors is an integer number (95410190304).

Almost surely, 2^{1321322002033} is an apocalyptic number.

It is an amenable number.

1321322002033 is a deficient number, since it is larger than the sum of its proper divisors (205241042831).

1321322002033 is a wasteful number, since it uses less digits than its factorization.

1321322002033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528472.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1321322002033 its reverse (3302002231231), we get a palindrome (4623324233264).

The spelling of 1321322002033 in words is "one trillion, three hundred twenty-one billion, three hundred twenty-two million, two thousand, thirty-three".