11011112212222 has 16 divisors (see below), whose sum is σ = 16615844969472. Its totient is φ = 5472498311800.

The previous prime is 11011112212193. The next prime is 11011112212223. The reversal of 11011112212222 is 22221221111011.

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 11011112212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011112212223) 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, 22936347 + ... + 23411497.

It is an arithmetic number, because the mean of its divisors is an integer number (1038490310592).

Almost surely, 2^{11011112212222} is an apocalyptic number.

11011112212222 is a deficient number, since it is larger than the sum of its proper divisors (5604732757250).

11011112212222 is a wasteful number, since it uses less digits than its factorization.

11011112212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544703.

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

Adding to 11011112212222 its reverse (22221221111011), we get a palindrome (33232333323233).

The spelling of 11011112212222 in words is "eleven trillion, eleven billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-two".