11122223012 has 24 divisors (see below), whose sum is σ = 19943780472. Its totient is φ = 5424070400.

The previous prime is 11122222949. The next prime is 11122223039. The reversal of 11122223012 is 21032222111.

It can be written as a sum of positive squares in 4 ways, for example, as 34975396 + 11087247616 = 5914^2 + 105296^2 .

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, 935618 + ... + 947430.

It is an arithmetic number, because the mean of its divisors is an integer number (830990853).

Almost surely, 2^11122223012 is an apocalyptic number.

It is an amenable number.

11122223012 is a deficient number, since it is larger than the sum of its proper divisors (8821557460).

11122223012 is a wasteful number, since it uses less digits than its factorization.

11122223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17599 (or 17597 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11122223012 its reverse (21032222111), we get a palindrome (32154445123).

Subtracting 11122223012 from its reverse (21032222111), we obtain a palindrome (9909999099).

The spelling of 11122223012 in words is "eleven billion, one hundred twenty-two million, two hundred twenty-three thousand, twelve".