2102230333121 has 4 divisors (see below), whose sum is σ = 2102893709700. Its totient is φ = 2101566956544.

The previous prime is 2102230333111. The next prime is 2102230333129. The reversal of 2102230333121 is 1213330322012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1228304507521 + 873925825600 = 1108289^2 + 934840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102230333121 - 2⁶ = 2102230333057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2102230333129) 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, 331683536 + ... + 331689873.

It is an arithmetic number, because the mean of its divisors is an integer number (525723427425).

Almost surely, 2^{2102230333121} is an apocalyptic number.

It is an amenable number.

2102230333121 is a deficient number, since it is larger than the sum of its proper divisors (663376579).

2102230333121 is an equidigital number, since it uses as much as digits as its factorization.

2102230333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663376578.

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

Adding to 2102230333121 its reverse (1213330322012), we get a palindrome (3315560655133).

The spelling of 2102230333121 in words is "two trillion, one hundred two billion, two hundred thirty million, three hundred thirty-three thousand, one hundred twenty-one".