11222211012 has 12 divisors (see below), whose sum is σ = 26185159056. Its totient is φ = 3740737000.

The previous prime is 11222211001. The next prime is 11222211047. The reversal of 11222211012 is 21011222211.

11222211012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11222210982 and 11222211000.

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 3 ways as a sum of consecutive naturals, for example, 467592114 + ... + 467592137.

It is an arithmetic number, because the mean of its divisors is an integer number (2182096588).

Almost surely, 2^11222211012 is an apocalyptic number.

11222211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222211012 is an abundant number, since it is smaller than the sum of its proper divisors (14962948044).

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

11222211012 is a wasteful number, since it uses less digits than its factorization.

11222211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935184258 (or 935184256 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11222211012 its reverse (21011222211), we get a palindrome (32233433223).

The spelling of 11222211012 in words is "eleven billion, two hundred twenty-two million, two hundred eleven thousand, twelve".