111111220122022 has 48 divisors (see below), whose sum is σ = 180689860076544. Its totient is φ = 51178457484000.

The previous prime is 111111220121989. The next prime is 111111220122137. The reversal of 111111220122022 is 220221022111111.

It is a happy number.

111111220122022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11304504 + ... + 18708667.

It is an arithmetic number, because the mean of its divisors is an integer number (3764372084928).

Almost surely, 2^{111111220122022} is an apocalyptic number.

111111220122022 is a deficient number, since it is larger than the sum of its proper divisors (69578639954522).

111111220122022 is a wasteful number, since it uses less digits than its factorization.

111111220122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30013333 (or 30013304 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111111220122022 its reverse (220221022111111), we get a palindrome (331332242233133).

The spelling of 111111220122022 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty-two thousand, twenty-two".