111000121122 has 32 divisors (see below), whose sum is σ = 254928510720. Its totient is φ = 31866063120.

The previous prime is 111000121117. The next prime is 111000121207. The reversal of 111000121122 is 221121000111.

It is a junction number, because it is equal to n+sod(n) for n = 111000121098 and 111000121107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44257168 + ... + 44259675.

It is an arithmetic number, because the mean of its divisors is an integer number (7966515960).

Almost surely, 2^111000121122 is an apocalyptic number.

111000121122 is an abundant number, since it is smaller than the sum of its proper divisors (143928389598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111000121122 is a wasteful number, since it uses less digits than its factorization.

111000121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88516878.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111000121122 its reverse (221121000111), we get a palindrome (332121121233).

The spelling of 111000121122 in words is "one hundred eleven billion, one hundred twenty-one thousand, one hundred twenty-two".