221300323111121 has 8 divisors (see below), whose sum is σ = 224164773909120. Its totient is φ = 218437451835408.

The previous prime is 221300323111003. The next prime is 221300323111169. The reversal of 221300323111121 is 121111323003122.

It is a happy number.

221300323111121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221300323111121 - 2¹⁸ = 221300322848977 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 (221300323116121) 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, 394598546 + ... + 395158971.

It is an arithmetic number, because the mean of its divisors is an integer number (28020596738640).

Almost surely, 2^{221300323111121} is an apocalyptic number.

It is an amenable number.

221300323111121 is a deficient number, since it is larger than the sum of its proper divisors (2864450797999).

221300323111121 is an equidigital number, since it uses as much as digits as its factorization.

221300323111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789761143.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 221300323111121 its reverse (121111323003122), we get a palindrome (342411646114243).

The spelling of 221300323111121 in words is "two hundred twenty-one trillion, three hundred billion, three hundred twenty-three million, one hundred eleven thousand, one hundred twenty-one".