1200221110222 has 8 divisors (see below), whose sum is σ = 1801879675416. Its totient is φ = 599594551752.

The previous prime is 1200221110211. The next prime is 1200221110271. The reversal of 1200221110222 is 2220111220021.

It is a happy number.

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 = 1200221110196 and 1200221110205.

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, 257998773 + ... + 258003424.

It is an arithmetic number, because the mean of its divisors is an integer number (225234959427).

Almost surely, 2^{1200221110222} is an apocalyptic number.

1200221110222 is a deficient number, since it is larger than the sum of its proper divisors (601658565194).

1200221110222 is a wasteful number, since it uses less digits than its factorization.

1200221110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516003362.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1200221110222 its reverse (2220111220021), we get a palindrome (3420332330243).

The spelling of 1200221110222 in words is "one trillion, two hundred billion, two hundred twenty-one million, one hundred ten thousand, two hundred twenty-two".