1112111222 has 16 divisors (see below), whose sum is σ = 1677412800. Its totient is φ = 552981000.

The previous prime is 1112111201. The next prime is 1112111239. The reversal of 1112111222 is 2221112111.

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 = 1112111197 and 1112111206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429929 + ... + 432507.

It is an arithmetic number, because the mean of its divisors is an integer number (104838300).

Almost surely, 2^1112111222 is an apocalyptic number.

1112111222 is a deficient number, since it is larger than the sum of its proper divisors (565301578).

1112111222 is a wasteful number, since it uses less digits than its factorization.

1112111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691.

The product of its digits is 16, while the sum is 14.

The square root of 1112111222 is about 33348.3316224365. The cubic root of 1112111222 is about 1036.0548331666.

Adding to 1112111222 its reverse (2221112111), we get a palindrome (3333223333).

It can be divided in two parts, 1112111 and 222, that multiplied together give a palindrome (246888642).

The spelling of 1112111222 in words is "one billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty-two".