2321233103221 has 4 divisors (see below), whose sum is σ = 2321327806252. Its totient is φ = 2321138400192.

The previous prime is 2321233103201. The next prime is 2321233103279. The reversal of 2321233103221 is 1223013321232.

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 1433972720196 + 887260383025 = 1197486^2 + 941945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321233103221 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 (2321233103201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47314740 + ... + 47363773.

It is an arithmetic number, because the mean of its divisors is an integer number (580331951563).

Almost surely, 2^{2321233103221} is an apocalyptic number.

It is an amenable number.

2321233103221 is a deficient number, since it is larger than the sum of its proper divisors (94703031).

2321233103221 is an equidigital number, since it uses as much as digits as its factorization.

2321233103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94703030.

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

Adding to 2321233103221 its reverse (1223013321232), we get a palindrome (3544246424453).

The spelling of 2321233103221 in words is "two trillion, three hundred twenty-one billion, two hundred thirty-three million, one hundred three thousand, two hundred twenty-one".