1222211201223 has 16 divisors (see below), whose sum is σ = 1631885713920. Its totient is φ = 813672278016.

The previous prime is 1222211201219. The next prime is 1222211201227. The reversal of 1222211201223 is 3221021122221.

It is an interprime number because it is at equal distance from previous prime (1222211201219) and next prime (1222211201227).

It is not a de Polignac number, because 1222211201223 - 2² = 1222211201219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222211201223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222211201227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36634636 + ... + 36667982.

It is an arithmetic number, because the mean of its divisors is an integer number (101992857120).

Almost surely, 2^{1222211201223} is an apocalyptic number.

1222211201223 is a deficient number, since it is larger than the sum of its proper divisors (409674512697).

1222211201223 is a wasteful number, since it uses less digits than its factorization.

1222211201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50006.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1222211201223 its reverse (3221021122221), we get a palindrome (4443232323444).

The spelling of 1222211201223 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, two hundred one thousand, two hundred twenty-three".