1122111118 has 8 divisors (see below), whose sum is σ = 1689157440. Its totient is φ = 559058640.

The previous prime is 1122111079. The next prime is 1122111119. The reversal of 1122111118 is 8111112211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1122111118² = 2518266722278419848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122111095 and 1122111104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122111119) 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 3 ways as a sum of consecutive naturals, for example, 997758 + ... + 998881.

It is an arithmetic number, because the mean of its divisors is an integer number (211144680).

Almost surely, 2^1122111118 is an apocalyptic number.

1122111118 is a deficient number, since it is larger than the sum of its proper divisors (567046322).

1122111118 is a wasteful number, since it uses less digits than its factorization.

1122111118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996922.

The product of its digits is 32, while the sum is 19.

The square root of 1122111118 is about 33497.9270701935. The cubic root of 1122111118 is about 1039.1509089098.

Adding to 1122111118 its reverse (8111112211), we get a palindrome (9233223329).

The spelling of 1122111118 in words is "one billion, one hundred twenty-two million, one hundred eleven thousand, one hundred eighteen".