1112221100222 has 4 divisors (see below), whose sum is σ = 1668331650336. Its totient is φ = 556110550110.

The previous prime is 1112221100209. The next prime is 1112221100281. The reversal of 1112221100222 is 2220011222111.

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

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1112221100222.

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, 278055275054 + ... + 278055275057.

It is an arithmetic number, because the mean of its divisors is an integer number (417082912584).

Almost surely, 2^{1112221100222} is an apocalyptic number.

1112221100222 is a deficient number, since it is larger than the sum of its proper divisors (556110550114).

1112221100222 is an equidigital number, since it uses as much as digits as its factorization.

1112221100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556110550113.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1112221100222 its reverse (2220011222111), we get a palindrome (3332232322333).

The spelling of 1112221100222 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, one hundred thousand, two hundred twenty-two".