11122112011222 has 16 divisors (see below), whose sum is σ = 16958675847600. Its totient is φ = 5469241710240.

The previous prime is 11122112011181. The next prime is 11122112011223. The reversal of 11122112011222 is 22211021122111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11122112011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122112011223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4379472 + ... + 6436147.

It is an arithmetic number, because the mean of its divisors is an integer number (1059917240475).

Almost surely, 2^{11122112011222} is an apocalyptic number.

11122112011222 is a deficient number, since it is larger than the sum of its proper divisors (5836563836378).

11122112011222 is a wasteful number, since it uses less digits than its factorization.

11122112011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10824111.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11122112011222 its reverse (22211021122111), we get a palindrome (33333133133333).

The spelling of 11122112011222 in words is "eleven trillion, one hundred twenty-two billion, one hundred twelve million, eleven thousand, two hundred twenty-two".