221302230123321 has 6 divisors (see below), whose sum is σ = 319658776844810. Its totient is φ = 147534820082208.

The previous prime is 221302230123281. The next prime is 221302230123347. The reversal of 221302230123321 is 123321032203122.

221302230123321 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 0 + 22 + 301 + 2 + 332 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 132295175857296 + 89007054266025 = 11501964^2 + 9434355^2 .

It is not a de Polignac number, because 221302230123321 - 2⁶ = 221302230123257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221302230123371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12294568340176 + ... + 12294568340193.

Almost surely, 2^{221302230123321} is an apocalyptic number.

It is an amenable number.

221302230123321 is a deficient number, since it is larger than the sum of its proper divisors (98356546721489).

221302230123321 is a wasteful number, since it uses less digits than its factorization.

221302230123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24589136680375 (or 24589136680372 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 221302230123321 its reverse (123321032203122), we get a palindrome (344623262326443).

The spelling of 221302230123321 in words is "two hundred twenty-one trillion, three hundred two billion, two hundred thirty million, one hundred twenty-three thousand, three hundred twenty-one".