2033121311321 has 16 divisors (see below), whose sum is σ = 2058347986944. Its totient is φ = 2008057734144.

The previous prime is 2033121311311. The next prime is 2033121311329. The reversal of 2033121311321 is 1231131213302.

It is a cyclic number.

It is not a de Polignac number, because 2033121311321 - 2¹⁸ = 2033121049177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2033121311329) 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, 27175061 + ... + 27249773.

It is an arithmetic number, because the mean of its divisors is an integer number (128646749184).

Almost surely, 2^{2033121311321} is an apocalyptic number.

It is an amenable number.

2033121311321 is a deficient number, since it is larger than the sum of its proper divisors (25226675623).

2033121311321 is a wasteful number, since it uses less digits than its factorization.

2033121311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75800.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2033121311321 its reverse (1231131213302), we get a palindrome (3264252524623).

The spelling of 2033121311321 in words is "two trillion, thirty-three billion, one hundred twenty-one million, three hundred eleven thousand, three hundred twenty-one".