221441212233 has 8 divisors (see below), whose sum is σ = 328061055200. Its totient is φ = 147627474804.

The previous prime is 221441212231. The next prime is 221441212247. The reversal of 221441212233 is 332212144122.

221441212233 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 412 + 12 + 233 = 666.

It is not a de Polignac number, because 221441212233 - 2¹ = 221441212231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8201526379 = 221441212233 / (2 + 2 + 1 + 4 + 4 + 1 + 2 + 1 + 2 + 2 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221441212197 and 221441212206.

It is not an unprimeable number, because it can be changed into a prime (221441212231) 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, 4100763163 + ... + 4100763216.

It is an arithmetic number, because the mean of its divisors is an integer number (41007631900).

Almost surely, 2^221441212233 is an apocalyptic number.

It is an amenable number.

221441212233 is a deficient number, since it is larger than the sum of its proper divisors (106619842967).

221441212233 is an equidigital number, since it uses as much as digits as its factorization.

221441212233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201526388 (or 8201526382 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 221441212233 its reverse (332212144122), we get a palindrome (553653356355).

The spelling of 221441212233 in words is "two hundred twenty-one billion, four hundred forty-one million, two hundred twelve thousand, two hundred thirty-three".