221133113233 has 4 divisors (see below), whose sum is σ = 232771698160. Its totient is φ = 209494528308.

The previous prime is 221133113189. The next prime is 221133113251. The reversal of 221133113233 is 332311331122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221133113233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221133113198 and 221133113207.

It is not an unprimeable number, because it can be changed into a prime (221133113833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5819292435 + ... + 5819292472.

It is an arithmetic number, because the mean of its divisors is an integer number (58192924540).

Almost surely, 2^221133113233 is an apocalyptic number.

It is an amenable number.

221133113233 is a deficient number, since it is larger than the sum of its proper divisors (11638584927).

221133113233 is a wasteful number, since it uses less digits than its factorization.

221133113233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11638584926.

The product of its digits is 1944, while the sum is 25.

Adding to 221133113233 its reverse (332311331122), we get a palindrome (553444444355).

The spelling of 221133113233 in words is "two hundred twenty-one billion, one hundred thirty-three million, one hundred thirteen thousand, two hundred thirty-three".