11220220220312 has 64 divisors (see below), whose sum is σ = 23786896492800. Its totient is φ = 4933578424320.

The previous prime is 11220220220263. The next prime is 11220220220347. The reversal of 11220220220312 is 21302202202211.

It is a congruent 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, 45762953 + ... + 46007480.

It is an arithmetic number, because the mean of its divisors is an integer number (371670257700).

Almost surely, 2^{11220220220312} is an apocalyptic number.

It is an amenable number.

11220220220312 is an abundant number, since it is smaller than the sum of its proper divisors (12566676272488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220220220312 is a wasteful number, since it uses less digits than its factorization.

11220220220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91770516 (or 91770512 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11220220220312 its reverse (21302202202211), we get a palindrome (32522422422523).

The spelling of 11220220220312 in words is "eleven trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty thousand, three hundred twelve".