1111112222 has 32 divisors (see below), whose sum is σ = 1835602560. Its totient is φ = 500237920.

The previous prime is 1111112203. The next prime is 1111112227. The reversal of 1111112222 is 2222111111.

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

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1111112197 and 1111112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685729 + ... + 1686387.

It is an arithmetic number, because the mean of its divisors is an integer number (57362580).

Almost surely, 2^1111112222 is an apocalyptic number.

1111112222 is a deficient number, since it is larger than the sum of its proper divisors (724490338).

1111112222 is a wasteful number, since it uses less digits than its factorization.

1111112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

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

The square root of 1111112222 is about 33333.3499966625. The cubic root of 1111112222 is about 1035.7445138302.

Adding to 1111112222 its reverse (2222111111), we get a palindrome (3333223333).

It can be divided in two parts, 111111 and 2222, that multiplied together give a palindrome (246888642).

The spelling of 1111112222 in words is "one billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty-two".