221310332312133 has 8 divisors (see below), whose sum is σ = 295097590019200. Its totient is φ = 147531648073248.

The previous prime is 221310332312123. The next prime is 221310332312197. The reversal of 221310332312133 is 331213233013122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221310332312133 - 2¹³ = 221310332303941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221310332312133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221310332312123) 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, 2143306813 + ... + 2143410066.

It is an arithmetic number, because the mean of its divisors is an integer number (36887198752400).

Almost surely, 2^{221310332312133} is an apocalyptic number.

It is an amenable number.

221310332312133 is a deficient number, since it is larger than the sum of its proper divisors (73787257707067).

221310332312133 is a wasteful number, since it uses less digits than its factorization.

221310332312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286734091.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 221310332312133 its reverse (331213233013122), we get a palindrome (552523565325255).

The spelling of 221310332312133 in words is "two hundred twenty-one trillion, three hundred ten billion, three hundred thirty-two million, three hundred twelve thousand, one hundred thirty-three".