111616122 has 16 divisors (see below), whose sum is σ = 223551360. Its totient is φ = 37152192.

The previous prime is 111616121. The next prime is 111616123. The reversal of 111616122 is 221616111.

It is an interprime number because it is at equal distance from previous prime (111616121) and next prime (111616123).

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

It is not an unprimeable number, because it can be changed into a prime (111616121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8623 + ... + 17250.

It is an arithmetic number, because the mean of its divisors is an integer number (13971960).

Almost surely, 2^111616122 is an apocalyptic number.

111616122 is an abundant number, since it is smaller than the sum of its proper divisors (111935238).

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

111616122 is a wasteful number, since it uses less digits than its factorization.

111616122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26597.

The product of its digits is 144, while the sum is 21.

The square root of 111616122 is about 10564.8531461635. The cubic root of 111616122 is about 481.4771078079.

It can be divided in two parts, 1116161 and 22, that multiplied together give a palindrome (24555542).

The spelling of 111616122 in words is "one hundred eleven million, six hundred sixteen thousand, one hundred twenty-two".