221012222002222 has 8 divisors (see below), whose sum is σ = 378878094860976. Its totient is φ = 94719523715232.

The previous prime is 221012222002189. The next prime is 221012222002259. The reversal of 221012222002222 is 222200222210122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 221012222002193 and 221012222002202.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7893293642923 + ... + 7893293642950.

It is an arithmetic number, because the mean of its divisors is an integer number (47359761857622).

Almost surely, 2^{221012222002222} is an apocalyptic number.

221012222002222 is a deficient number, since it is larger than the sum of its proper divisors (157865872858754).

221012222002222 is a wasteful number, since it uses less digits than its factorization.

221012222002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15786587285882.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 221012222002222 its reverse (222200222210122), we get a palindrome (443212444212344).

The spelling of 221012222002222 in words is "two hundred twenty-one trillion, twelve billion, two hundred twenty-two million, two thousand, two hundred twenty-two".