11211312300 has 72 divisors (see below), whose sum is σ = 32448704400. Its totient is φ = 2988702720.

The previous prime is 11211312263. The next prime is 11211312313. The reversal of 11211312300 is 321311211.

It is a happy number.

11211312300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11211312300.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1703416 + ... + 1709984.

It is an arithmetic number, because the mean of its divisors is an integer number (450676450).

Almost surely, 2^11211312300 is an apocalyptic number.

11211312300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211312300 is an abundant number, since it is smaller than the sum of its proper divisors (21237392100).

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

11211312300 is a wasteful number, since it uses less digits than its factorization.

11211312300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12275 (or 12268 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11211312300 its reverse (321311211), we get a palindrome (11532623511).

The spelling of 11211312300 in words is "eleven billion, two hundred eleven million, three hundred twelve thousand, three hundred".