1222220221202 has 16 divisors (see below), whose sum is σ = 1856034136320. Its totient is φ = 603568050048.

The previous prime is 1222220221147. The next prime is 1222220221247. The reversal of 1222220221202 is 2021220222221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6373802 + ... + 6562757.

It is an arithmetic number, because the mean of its divisors is an integer number (116002133520).

Almost surely, 2^{1222220221202} is an apocalyptic number.

1222220221202 is a deficient number, since it is larger than the sum of its proper divisors (633813915118).

1222220221202 is a wasteful number, since it uses less digits than its factorization.

1222220221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12937145.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1222220221202 its reverse (2021220222221), we get a palindrome (3243440443423).

The spelling of 1222220221202 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, two hundred two".