2120333223121 has 8 divisors (see below), whose sum is σ = 2268203643720. Its totient is φ = 1975034462208.

The previous prime is 2120333223067. The next prime is 2120333223131. The reversal of 2120333223121 is 1213223330212.

It can be written as a sum of positive squares in 4 ways, for example, as 836610232896 + 1283722990225 = 914664^2 + 1133015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120333223121 - 2²³ = 2120324834513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120333223131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642913216 + ... + 642916513.

It is an arithmetic number, because the mean of its divisors is an integer number (283525455465).

Almost surely, 2^{2120333223121} is an apocalyptic number.

It is an amenable number.

2120333223121 is a deficient number, since it is larger than the sum of its proper divisors (147870420599).

2120333223121 is a wasteful number, since it uses less digits than its factorization.

2120333223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285829843.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2120333223121 its reverse (1213223330212), we get a palindrome (3333556553333).

The spelling of 2120333223121 in words is "two trillion, one hundred twenty billion, three hundred thirty-three million, two hundred twenty-three thousand, one hundred twenty-one".