111132122 has 4 divisors (see below), whose sum is σ = 166698186. Its totient is φ = 55566060.

The previous prime is 111132107. The next prime is 111132137. The reversal of 111132122 is 221231111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221231111 = 29 ⋅7628659.

It is an interprime number because it is at equal distance from previous prime (111132107) and next prime (111132137).

It can be written as a sum of positive squares in only one way, i.e., 75359761 + 35772361 = 8681^2 + 5981^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111132097 and 111132106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27783029 + ... + 27783032.

Almost surely, 2^111132122 is an apocalyptic number.

111132122 is a deficient number, since it is larger than the sum of its proper divisors (55566064).

111132122 is an equidigital number, since it uses as much as digits as its factorization.

111132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55566063.

The product of its digits is 24, while the sum is 14.

The square root of 111132122 is about 10541.9221207520. The cubic root of 111132122 is about 480.7801578047.

Adding to 111132122 its reverse (221231111), we get a palindrome (332363233).

It can be divided in two parts, 1111 and 32122, that added together give a palindrome (33233).

The spelling of 111132122 in words is "one hundred eleven million, one hundred thirty-two thousand, one hundred twenty-two".