2112330233221 has 8 divisors (see below), whose sum is σ = 2281993258104. Its totient is φ = 1943692363200.

The previous prime is 2112330233201. The next prime is 2112330233281. The reversal of 2112330233221 is 1223320332112.

It can be written as a sum of positive squares in 4 ways, for example, as 127088685025 + 1985241548196 = 356495^2 + 1408986^2 .

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 2112330233221 - 2⁷ = 2112330233093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112330233201) 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, 256284430 + ... + 256292671.

It is an arithmetic number, because the mean of its divisors is an integer number (285249157263).

Almost surely, 2^{2112330233221} is an apocalyptic number.

It is an amenable number.

2112330233221 is a deficient number, since it is larger than the sum of its proper divisors (169663024883).

2112330233221 is a wasteful number, since it uses less digits than its factorization.

2112330233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512577431.

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

Adding to 2112330233221 its reverse (1223320332112), we get a palindrome (3335650565333).

The spelling of 2112330233221 in words is "two trillion, one hundred twelve billion, three hundred thirty million, two hundred thirty-three thousand, two hundred twenty-one".