11101112111222 has 32 divisors (see below), whose sum is σ = 20154276444672. Its totient is φ = 4482844559424.

The previous prime is 11101112111191. The next prime is 11101112111227. The reversal of 11101112111222 is 22211121110111.

It is a self number, because there is not a number n which added to its sum of digits gives 11101112111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101112111227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257258303 + ... + 257301450.

It is an arithmetic number, because the mean of its divisors is an integer number (629821138896).

Almost surely, 2^{11101112111222} is an apocalyptic number.

11101112111222 is a deficient number, since it is larger than the sum of its proper divisors (9053164333450).

11101112111222 is a wasteful number, since it uses less digits than its factorization.

11101112111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514559852.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11101112111222 its reverse (22211121110111), we get a palindrome (33312233221333).

The spelling of 11101112111222 in words is "eleven trillion, one hundred one billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty-two".