11212303220 has 24 divisors (see below), whose sum is σ = 23550283008. Its totient is φ = 4484074400.

The previous prime is 11212303213. The next prime is 11212303241. The reversal of 11212303220 is 2230321211.

11212303220 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 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 7 ways as a sum of consecutive naturals, for example, 61685 + ... + 161955.

It is an arithmetic number, because the mean of its divisors is an integer number (981261792).

Almost surely, 2^11212303220 is an apocalyptic number.

11212303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212303220 is an abundant number, since it is smaller than the sum of its proper divisors (12337979788).

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

11212303220 is a wasteful number, since it uses less digits than its factorization.

11212303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105871 (or 105869 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11212303220 its reverse (2230321211), we get a palindrome (13442624431).

It can be divided in two parts, 11212 and 303220, that added together give a cube (314432 = 68³).

The spelling of 11212303220 in words is "eleven billion, two hundred twelve million, three hundred three thousand, two hundred twenty".