111222022022 has 16 divisors (see below), whose sum is σ = 172953885312. Its totient is φ = 53586125760.

The previous prime is 111222022013. The next prime is 111222022061. The reversal of 111222022022 is 220220222111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3835133 + ... + 3864024.

It is an arithmetic number, because the mean of its divisors is an integer number (10809617832).

Almost surely, 2^111222022022 is an apocalyptic number.

111222022022 is a deficient number, since it is larger than the sum of its proper divisors (61731863290).

111222022022 is a wasteful number, since it uses less digits than its factorization.

111222022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699423.

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

Adding to 111222022022 its reverse (220220222111), we get a palindrome (331442244133).

The spelling of 111222022022 in words is "one hundred eleven billion, two hundred twenty-two million, twenty-two thousand, twenty-two".