111121122 has 24 divisors (see below), whose sum is σ = 258527376. Its totient is φ = 31748808.

The previous prime is 111121121. The next prime is 111121151. The reversal of 111121122 is 221121111.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111121098 and 111121107.

It is not an unprimeable number, because it can be changed into a prime (111121121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188688 + ... + 189275.

It is an arithmetic number, because the mean of its divisors is an integer number (10771974).

Almost surely, 2^111121122 is an apocalyptic number.

111121122 is an abundant number, since it is smaller than the sum of its proper divisors (147406254).

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

111121122 is a wasteful number, since it uses less digits than its factorization.

111121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377982 (or 377975 counting only the distinct ones).

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

The square root of 111121122 is about 10541.4003813535. The cubic root of 111121122 is about 480.7642945357.

Adding to 111121122 its reverse (221121111), we get a palindrome (332242233).

The spelling of 111121122 in words is "one hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".