221331022121323 has 8 divisors (see below), whose sum is σ = 221436636752448. Its totient is φ = 221225432556744.

The previous prime is 221331022121311. The next prime is 221331022121333. The reversal of 221331022121323 is 323121220133122.

221331022121323 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 221331022121323 - 2²⁹ = 221330485250411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221331022121291 and 221331022121300.

It is not an unprimeable number, because it can be changed into a prime (221331022121333) 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, 11408940 + ... + 23933782.

It is an arithmetic number, because the mean of its divisors is an integer number (27679579594056).

Almost surely, 2^{221331022121323} is an apocalyptic number.

221331022121323 is a deficient number, since it is larger than the sum of its proper divisors (105614631125).

221331022121323 is a wasteful number, since it uses less digits than its factorization.

221331022121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12533273.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 221331022121323 its reverse (323121220133122), we get a palindrome (544452242254445).

The spelling of 221331022121323 in words is "two hundred twenty-one trillion, three hundred thirty-one billion, twenty-two million, one hundred twenty-one thousand, three hundred twenty-three".