11012001222 has 16 divisors (see below), whose sum is σ = 22027272192. Its totient is φ = 3670122120.

The previous prime is 11012001197. The next prime is 11012001283. The reversal of 11012001222 is 22210021011.

11012001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11012001198 and 11012001207.

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, 91318 + ... + 174249.

It is an arithmetic number, because the mean of its divisors is an integer number (1376704512).

Almost surely, 2^11012001222 is an apocalyptic number.

11012001222 is an abundant number, since it is smaller than the sum of its proper divisors (11015270970).

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

11012001222 is a wasteful number, since it uses less digits than its factorization.

11012001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272483.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11012001222 its reverse (22210021011), we get a palindrome (33222022233).

The spelling of 11012001222 in words is "eleven billion, twelve million, one thousand, two hundred twenty-two".