2002230333121 has 4 divisors (see below), whose sum is σ = 2010538343044. Its totient is φ = 1993922323200.

The previous prime is 2002230333073. The next prime is 2002230333127. The reversal of 2002230333121 is 1213330322002.

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 1641883449600 + 360346883521 = 1281360^2 + 600289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002230333121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002230333092 and 2002230333101.

It is not an unprimeable number, because it can be changed into a prime (2002230333127) 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, 4154004600 + ... + 4154005081.

It is an arithmetic number, because the mean of its divisors is an integer number (502634585761).

Almost surely, 2^{2002230333121} is an apocalyptic number.

It is an amenable number.

2002230333121 is a deficient number, since it is larger than the sum of its proper divisors (8308009923).

2002230333121 is an equidigital number, since it uses as much as digits as its factorization.

2002230333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308009922.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2002230333121 its reverse (1213330322002), we get a palindrome (3215560655123).

The spelling of 2002230333121 in words is "two trillion, two billion, two hundred thirty million, three hundred thirty-three thousand, one hundred twenty-one".