111222200002022 has 4 divisors (see below), whose sum is σ = 166833300003036. Its totient is φ = 55611100001010.

The previous prime is 111222200002007. The next prime is 111222200002027. The reversal of 111222200002022 is 220200002222111.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222200002027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805550000504 + ... + 27805550000507.

It is an arithmetic number, because the mean of its divisors is an integer number (41708325000759).

Almost surely, 2^{111222200002022} is an apocalyptic number.

111222200002022 is a deficient number, since it is larger than the sum of its proper divisors (55611100001014).

111222200002022 is an equidigital number, since it uses as much as digits as its factorization.

111222200002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55611100001013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 111222200002022 its reverse (220200002222111), we get a palindrome (331422202224133).

The spelling of 111222200002022 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred million, two thousand, twenty-two".