1122221120222 has 4 divisors (see below), whose sum is σ = 1683331680336. Its totient is φ = 561110560110.

The previous prime is 1122221120213. The next prime is 1122221120249. The reversal of 1122221120222 is 2220211222211.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1122221120194 and 1122221120203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280555280054 + ... + 280555280057.

It is an arithmetic number, because the mean of its divisors is an integer number (420832920084).

Almost surely, 2^{1122221120222} is an apocalyptic number.

1122221120222 is a deficient number, since it is larger than the sum of its proper divisors (561110560114).

1122221120222 is an equidigital number, since it uses as much as digits as its factorization.

1122221120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561110560113.

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

Adding to 1122221120222 its reverse (2220211222211), we get a palindrome (3342432342433).

The spelling of 1122221120222 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".