221133442211 has 8 divisors (see below), whose sum is σ = 241326427584. Its totient is φ = 200955447720.

The previous prime is 221133442193. The next prime is 221133442223. The reversal of 221133442211 is 112244331122.

It is a happy number.

221133442211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221133442211 - 2¹⁸ = 221133180067 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (221133442711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3716861 + ... + 3775886.

It is an arithmetic number, because the mean of its divisors is an integer number (30165803448).

Almost surely, 2^221133442211 is an apocalyptic number.

221133442211 is a deficient number, since it is larger than the sum of its proper divisors (20192985373).

221133442211 is a wasteful number, since it uses less digits than its factorization.

221133442211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7495441.

The product of its digits is 2304, while the sum is 26.

Adding to 221133442211 its reverse (112244331122), we get a palindrome (333377773333).

The spelling of 221133442211 in words is "two hundred twenty-one billion, one hundred thirty-three million, four hundred forty-two thousand, two hundred eleven".