1122221210222 has 80 divisors (see below), whose sum is σ = 2123533558080. Its totient is φ = 443028063744.

The previous prime is 1122221210221. The next prime is 1122221210233. The reversal of 1122221210222 is 2220121222211.

It is a junction number, because it is equal to n+sod(n) for n = 1122221210194 and 1122221210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122221210221) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 3690554 + ... + 3983042.

It is an arithmetic number, because the mean of its divisors is an integer number (26544169476).

Almost surely, 2^{1122221210222} is an apocalyptic number.

1122221210222 is a deficient number, since it is larger than the sum of its proper divisors (1001312347858).

1122221210222 is an equidigital number, since it uses as much as digits as its factorization.

1122221210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292583 (or 292562 counting only the distinct ones).

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

Adding to 1122221210222 its reverse (2220121222211), we get a palindrome (3342342432433).

The spelling of 1122221210222 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred ten thousand, two hundred twenty-two".