111009122 has 16 divisors (see below), whose sum is σ = 191123712. Its totient is φ = 47369760.

The previous prime is 111009121. The next prime is 111009127. The reversal of 111009122 is 221900111.

It is a self number, because there is not a number n which added to its sum of digits gives 111009122.

It is not an unprimeable number, because it can be changed into a prime (111009121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13754 + ... + 20277.

It is an arithmetic number, because the mean of its divisors is an integer number (11945232).

Almost surely, 2^111009122 is an apocalyptic number.

111009122 is a deficient number, since it is larger than the sum of its proper divisors (80114590).

111009122 is a wasteful number, since it uses less digits than its factorization.

111009122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34273.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 111009122 is about 10536.0866549208. The cubic root of 111009122 is about 480.6027179886.

Adding to 111009122 its reverse (221900111), we get a palindrome (332909233).

The spelling of 111009122 in words is "one hundred eleven million, nine thousand, one hundred twenty-two".