11101121122222 has 16 divisors (see below), whose sum is σ = 17189586260352. Its totient is φ = 5371274734560.

The previous prime is 11101121122213. The next prime is 11101121122243. The reversal of 11101121122222 is 22222112110111.

It is a happy number.

11101121122222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11101121122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2494953 + ... + 5331700.

It is an arithmetic number, because the mean of its divisors is an integer number (1074349141272).

Almost surely, 2^{11101121122222} is an apocalyptic number.

11101121122222 is a deficient number, since it is larger than the sum of its proper divisors (6088465138130).

11101121122222 is a wasteful number, since it uses less digits than its factorization.

11101121122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849563.

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

Adding to 11101121122222 its reverse (22222112110111), we get a palindrome (33323233232333).

The spelling of 11101121122222 in words is "eleven trillion, one hundred one billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".