11220312300 has 72 divisors (see below), whose sum is σ = 32629067856. Its totient is φ = 2976879360.

The previous prime is 11220312283. The next prime is 11220312343. The reversal of 11220312300 is 321302211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11220312300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35827 + ... + 154026.

It is an arithmetic number, because the mean of its divisors is an integer number (453181498).

Almost surely, 2^11220312300 is an apocalyptic number.

11220312300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220312300 is an abundant number, since it is smaller than the sum of its proper divisors (21408755556).

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

11220312300 is a wasteful number, since it uses less digits than its factorization.

11220312300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190067 (or 190060 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11220312300 its reverse (321302211), we get a palindrome (11541614511).

The spelling of 11220312300 in words is "eleven billion, two hundred twenty million, three hundred twelve thousand, three hundred".