111110112122 has 16 divisors (see below), whose sum is σ = 176189981760. Its totient is φ = 52405216992.

The previous prime is 111110112121. The next prime is 111110112131. The reversal of 111110112122 is 221211011111.

It is a super-2 number, since 2×111110112122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111110112097 and 111110112106.

It is not an unprimeable number, because it can be changed into a prime (111110112121) by changing a digit.

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, 6265718 + ... + 6283425.

It is an arithmetic number, because the mean of its divisors is an integer number (11011873860).

Almost surely, 2^111110112122 is an apocalyptic number.

111110112122 is a deficient number, since it is larger than the sum of its proper divisors (65079869638).

111110112122 is a wasteful number, since it uses less digits than its factorization.

111110112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12549397.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111110112122 its reverse (221211011111), we get a palindrome (332321123233).

The spelling of 111110112122 in words is "one hundred eleven billion, one hundred ten million, one hundred twelve thousand, one hundred twenty-two".