12103333220221 has 16 divisors (see below), whose sum is σ = 12170811018240. Its totient is φ = 12036103999920.

The previous prime is 12103333220213. The next prime is 12103333220281. The reversal of 12103333220221 is 12202233330121.

It is a cyclic number.

It is not a de Polignac number, because 12103333220221 - 2³ = 12103333220213 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 (12103333220281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161316606 + ... + 161391616.

It is an arithmetic number, because the mean of its divisors is an integer number (760675688640).

Almost surely, 2^{12103333220221} is an apocalyptic number.

It is an amenable number.

12103333220221 is a deficient number, since it is larger than the sum of its proper divisors (67477798019).

12103333220221 is an equidigital number, since it uses as much as digits as its factorization.

12103333220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76656.

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

Adding to 12103333220221 its reverse (12202233330121), we get a palindrome (24305566550342).

The spelling of 12103333220221 in words is "twelve trillion, one hundred three billion, three hundred thirty-three million, two hundred twenty thousand, two hundred twenty-one".