111222122220122 has 8 divisors (see below), whose sum is σ = 166833322272000. Its totient is φ = 55611014796124.

The previous prime is 111222122220059. The next prime is 111222122220149. The reversal of 111222122220122 is 221022221222111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111222122220122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20072972 + ... + 25007367.

It is an arithmetic number, because the mean of its divisors is an integer number (20854165284000).

Almost surely, 2^{111222122220122} is an apocalyptic number.

111222122220122 is a deficient number, since it is larger than the sum of its proper divisors (55611200051878).

111222122220122 is a wasteful number, since it uses less digits than its factorization.

111222122220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46313940.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 111222122220122 its reverse (221022221222111), we get a palindrome (332244343442233).

The spelling of 111222122220122 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty-two".