221312323133203 has 8 divisors (see below), whose sum is σ = 221775688673280. Its totient is φ = 220848963159240.

The previous prime is 221312323133201. The next prime is 221312323133267. The reversal of 221312323133203 is 302331323213122.

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 221312323133203 - 2¹ = 221312323133201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221312323133201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83646598 + ... + 86251828.

It is an arithmetic number, because the mean of its divisors is an integer number (27721961084160).

Almost surely, 2^{221312323133203} is an apocalyptic number.

221312323133203 is a deficient number, since it is larger than the sum of its proper divisors (463365540077).

221312323133203 is a wasteful number, since it uses less digits than its factorization.

221312323133203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783057.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 221312323133203 its reverse (302331323213122), we get a palindrome (523643646346325).

The spelling of 221312323133203 in words is "two hundred twenty-one trillion, three hundred twelve billion, three hundred twenty-three million, one hundred thirty-three thousand, two hundred three".