221133104 has 10 divisors (see below), whose sum is σ = 428445420. Its totient is φ = 110566544.

The previous prime is 221133103. The next prime is 221133139. The reversal of 221133104 is 401331122.

It is not an unprimeable number, because it can be changed into a prime (221133103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6910394 + ... + 6910425.

It is an arithmetic number, because the mean of its divisors is an integer number (42844542).

Almost surely, 2^221133104 is an apocalyptic number.

It is an amenable number.

221133104 is a deficient number, since it is larger than the sum of its proper divisors (207312316).

221133104 is a wasteful number, since it uses less digits than its factorization.

221133104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13820827 (or 13820821 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 221133104 is about 14870.5448454319. The cubic root of 221133104 is about 604.7157137145.

Adding to 221133104 its reverse (401331122), we get a palindrome (622464226).

The spelling of 221133104 in words is "two hundred twenty-one million, one hundred thirty-three thousand, one hundred four".