11011101122222 has 32 divisors (see below), whose sum is σ = 16641545722560. Its totient is φ = 5464067051520.

The previous prime is 11011101122167. The next prime is 11011101122251. The reversal of 11011101122222 is 22222110111011.

11011101122222 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 11011101122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515949272 + ... + 515970612.

It is an arithmetic number, because the mean of its divisors is an integer number (520048303830).

Almost surely, 2^{11011101122222} is an apocalyptic number.

11011101122222 is a deficient number, since it is larger than the sum of its proper divisors (5630444600338).

11011101122222 is a wasteful number, since it uses less digits than its factorization.

11011101122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24716.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11011101122222 its reverse (22222110111011), we get a palindrome (33233211233233).

It can be divided in two parts, 110111011 and 22222, that multiplied together give a palindrome (2446886886442).

The spelling of 11011101122222 in words is "eleven trillion, eleven billion, one hundred one million, one hundred twenty-two thousand, two hundred twenty-two".