11312103222 has 64 divisors (see below), whose sum is σ = 29013696000. Its totient is φ = 3200018400.

The previous prime is 11312103221. The next prime is 11312103247. The reversal of 11312103222 is 22230121311.

11312103222 is a `hidden beast` number, since 1 + 131 + 210 + 322 + 2 = 666.

11312103222 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 11312103195 and 11312103204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312103221) 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 31 ways as a sum of consecutive naturals, for example, 109972 + ... + 186327.

It is an arithmetic number, because the mean of its divisors is an integer number (453339000).

Almost surely, 2^11312103222 is an apocalyptic number.

11312103222 is an abundant number, since it is smaller than the sum of its proper divisors (17701592778).

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

11312103222 is a wasteful number, since it uses less digits than its factorization.

11312103222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296418 (or 296412 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11312103222 its reverse (22230121311), we get a palindrome (33542224533).

The spelling of 11312103222 in words is "eleven billion, three hundred twelve million, one hundred three thousand, two hundred twenty-two".