2033231320121 has 4 divisors (see below), whose sum is σ = 2040962237952. Its totient is φ = 2025500402292.

The previous prime is 2033231320111. The next prime is 2033231320147. The reversal of 2033231320121 is 1210231323302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2033231320121 is a prime.

It is a super-2 number, since 2×2033231320121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2033231320111) 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, 3865458521 + ... + 3865459046.

It is an arithmetic number, because the mean of its divisors is an integer number (510240559488).

Almost surely, 2^{2033231320121} is an apocalyptic number.

It is an amenable number.

2033231320121 is a deficient number, since it is larger than the sum of its proper divisors (7730917831).

2033231320121 is an equidigital number, since it uses as much as digits as its factorization.

2033231320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7730917830.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2033231320121 its reverse (1210231323302), we get a palindrome (3243462643423).

The spelling of 2033231320121 in words is "two trillion, thirty-three billion, two hundred thirty-one million, three hundred twenty thousand, one hundred twenty-one".