1112213122 has 16 divisors (see below), whose sum is σ = 1710696312. Its totient is φ = 542142720.

The previous prime is 1112212993. The next prime is 1112213129. The reversal of 1112213122 is 2213122111.

It can be written as a sum of positive squares in 4 ways, for example, as 123676641 + 988536481 = 11121^2 + 31441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1112213096 and 1112213105.

It is not an unprimeable number, because it can be changed into a prime (1112213129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26553 + ... + 54124.

Almost surely, 2^1112213122 is an apocalyptic number.

1112213122 is a deficient number, since it is larger than the sum of its proper divisors (598483190).

1112213122 is a wasteful number, since it uses less digits than its factorization.

1112213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80853.

The product of its digits is 48, while the sum is 16.

The square root of 1112213122 is about 33349.8594000035. The cubic root of 1112213122 is about 1036.0864759139.

Adding to 1112213122 its reverse (2213122111), we get a palindrome (3325335233).

It can be divided in two parts, 111 and 2213122, that multiplied together give a palindrome (245656542).

The spelling of 1112213122 in words is "one billion, one hundred twelve million, two hundred thirteen thousand, one hundred twenty-two".