11220022220012 has 48 divisors (see below), whose sum is σ = 21117922366464. Its totient is φ = 5203788744000.

The previous prime is 11220022219957. The next prime is 11220022220093. The reversal of 11220022220012 is 21002222002211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13681064 + ... + 14477967.

It is an arithmetic number, because the mean of its divisors is an integer number (439956715968).

Almost surely, 2^{11220022220012} is an apocalyptic number.

It is an amenable number.

11220022220012 is a deficient number, since it is larger than the sum of its proper divisors (9897900146452).

11220022220012 is a wasteful number, since it uses less digits than its factorization.

11220022220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28159190 (or 28159188 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11220022220012 its reverse (21002222002211), we get a palindrome (32222244222223).

The spelling of 11220022220012 in words is "eleven trillion, two hundred twenty billion, twenty-two million, two hundred twenty thousand, twelve".