2110233121 has 4 divisors (see below), whose sum is σ = 2110349700. Its totient is φ = 2110116544.

The previous prime is 2110233091. The next prime is 2110233161. The reversal of 2110233121 is 1213320112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 770673121 + 1339560000 = 27761^2 + 36600^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110233121 - 2⁵ = 2110233089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110233095 and 2110233104.

It is not an unprimeable number, because it can be changed into a prime (2110233161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24676 + ... + 69493.

It is an arithmetic number, because the mean of its divisors is an integer number (527587425).

Almost surely, 2^2110233121 is an apocalyptic number.

It is an amenable number.

2110233121 is a deficient number, since it is larger than the sum of its proper divisors (116579).

2110233121 is an equidigital number, since it uses as much as digits as its factorization.

2110233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116578.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2110233121 is about 45937.2737654293. The cubic root of 2110233121 is about 1282.6558465063.

Adding to 2110233121 its reverse (1213320112), we get a palindrome (3323553233).

The spelling of 2110233121 in words is "two billion, one hundred ten million, two hundred thirty-three thousand, one hundred twenty-one".