11220020312 has 16 divisors (see below), whose sum is σ = 21550649400. Its totient is φ = 5473180480.

The previous prime is 11220020311. The next prime is 11220020327. The reversal of 11220020312 is 21302002211.

It is a happy number.

11220020312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220020311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17103362 + ... + 17104017.

Almost surely, 2^11220020312 is an apocalyptic number.

It is an amenable number.

11220020312 is a deficient number, since it is larger than the sum of its proper divisors (10330629088).

11220020312 is a wasteful number, since it uses less digits than its factorization.

11220020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34207426 (or 34207422 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11220020312 its reverse (21302002211), we get a palindrome (32522022523).

The spelling of 11220020312 in words is "eleven billion, two hundred twenty million, twenty thousand, three hundred twelve".