221313331133234 has 8 divisors (see below), whose sum is σ = 332264035672860. Its totient is φ = 110558652575616.

The previous prime is 221313331133201. The next prime is 221313331133357. The reversal of 221313331133234 is 432331133313122.

It can be written as a sum of positive squares in 2 ways, for example, as 198405113353225 + 22908217780009 = 14085635^2 + 4786253^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 221313331133194 and 221313331133203.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49006492679 + ... + 49006497194.

Almost surely, 2^{221313331133234} is an apocalyptic number.

221313331133234 is a deficient number, since it is larger than the sum of its proper divisors (110950704539626).

221313331133234 is a wasteful number, since it uses less digits than its factorization.

221313331133234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98012991004.

The product of its digits is 69984, while the sum is 35.

Adding to 221313331133234 its reverse (432331133313122), we get a palindrome (653644464446356).

The spelling of 221313331133234 in words is "two hundred twenty-one trillion, three hundred thirteen billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred thirty-four".