1222211102222 has 32 divisors (see below), whose sum is σ = 2021145544800. Its totient is φ = 549679104000.

The previous prime is 1222211102219. The next prime is 1222211102263. The reversal of 1222211102222 is 2222011122221.

It is a super-2 number, since 2×1222211102222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222211102194 and 1222211102203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3123854 + ... + 3493262.

It is an arithmetic number, because the mean of its divisors is an integer number (63160798275).

Almost surely, 2^{1222211102222} is an apocalyptic number.

1222211102222 is a deficient number, since it is larger than the sum of its proper divisors (798934442578).

1222211102222 is a wasteful number, since it uses less digits than its factorization.

1222211102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371012.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1222211102222 its reverse (2222011122221), we get a palindrome (3444222224443).

The spelling of 1222211102222 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, one hundred two thousand, two hundred twenty-two".