221211233324 has 6 divisors (see below), whose sum is σ = 387119658324. Its totient is φ = 110605616660.

The previous prime is 221211233317. The next prime is 221211233351. The reversal of 221211233324 is 423332112122.

It is a junction number, because it is equal to n+sod(n) for n = 221211233293 and 221211233302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27651404162 + ... + 27651404169.

It is an arithmetic number, because the mean of its divisors is an integer number (64519943054).

Almost surely, 2^221211233324 is an apocalyptic number.

It is an amenable number.

221211233324 is a deficient number, since it is larger than the sum of its proper divisors (165908425000).

221211233324 is a wasteful number, since it uses less digits than its factorization.

221211233324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55302808335 (or 55302808333 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 221211233324 its reverse (423332112122), we get a palindrome (644543345446).

The spelling of 221211233324 in words is "two hundred twenty-one billion, two hundred eleven million, two hundred thirty-three thousand, three hundred twenty-four".