11000112221222 has 4 divisors (see below), whose sum is σ = 16500168331836. Its totient is φ = 5500056110610.

The previous prime is 11000112221221. The next prime is 11000112221237. The reversal of 11000112221222 is 22212221100011.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11000112221222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000112221221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750028055304 + ... + 2750028055307.

It is an arithmetic number, because the mean of its divisors is an integer number (4125042082959).

Almost surely, 2^{11000112221222} is an apocalyptic number.

11000112221222 is a deficient number, since it is larger than the sum of its proper divisors (5500056110614).

11000112221222 is an equidigital number, since it uses as much as digits as its factorization.

11000112221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500056110613.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11000112221222 its reverse (22212221100011), we get a palindrome (33212333321233).

It can be divided in two parts, 1100011 and 2221222, that multiplied together give a palindrome (2443368633442).

The spelling of 11000112221222 in words is "eleven trillion, one hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".