111122102220122 has 16 divisors (see below), whose sum is σ = 193723761741120. Its totient is φ = 46816575753408.

The previous prime is 111122102220109. The next prime is 111122102220167. The reversal of 111122102220122 is 221022201221111.

It is a junction number, because it is equal to n+sod(n) for n = 111122102220094 and 111122102220103.

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 7 ways as a sum of consecutive naturals, for example, 67265194223 + ... + 67265195874.

It is an arithmetic number, because the mean of its divisors is an integer number (12107735108820).

Almost surely, 2^{111122102220122} is an apocalyptic number.

111122102220122 is a deficient number, since it is larger than the sum of its proper divisors (82601659520998).

111122102220122 is a wasteful number, since it uses less digits than its factorization.

111122102220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134530390165.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111122102220122 its reverse (221022201221111), we get a palindrome (332144303441233).

It can be divided in two parts, 1111 and 22102220122, that multiplied together give a palindrome (24555566555542).

The spelling of 111122102220122 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty thousand, one hundred twenty-two".