1112211022222 has 4 divisors (see below), whose sum is σ = 1668316533336. Its totient is φ = 556105511110.

The previous prime is 1112211022183. The next prime is 1112211022309. The reversal of 1112211022222 is 2222201122111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1112211022222.

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 as a sum of consecutive naturals, namely, 278052755554 + ... + 278052755557.

It is an arithmetic number, because the mean of its divisors is an integer number (417079133334).

Almost surely, 2^{1112211022222} is an apocalyptic number.

1112211022222 is a deficient number, since it is larger than the sum of its proper divisors (556105511114).

1112211022222 is an equidigital number, since it uses as much as digits as its factorization.

1112211022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556105511113.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1112211022222 its reverse (2222201122111), we get a palindrome (3334412144333).

The spelling of 1112211022222 in words is "one trillion, one hundred twelve billion, two hundred eleven million, twenty-two thousand, two hundred twenty-two".