11121222112122 has 64 divisors (see below), whose sum is σ = 22820046796800. Its totient is φ = 3611794368000.

The previous prime is 11121222112103. The next prime is 11121222112129. The reversal of 11121222112122 is 22121122212111.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11121222112129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199023847 + ... + 199079717.

It is an arithmetic number, because the mean of its divisors is an integer number (356563231200).

Almost surely, 2^{11121222112122} is an apocalyptic number.

11121222112122 is an abundant number, since it is smaller than the sum of its proper divisors (11698824684678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121222112122 is a wasteful number, since it uses less digits than its factorization.

11121222112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60279.

The product of its digits is 128, while the sum is 21.

Adding to 11121222112122 its reverse (22121122212111), we get a palindrome (33242344324233).

The spelling of 11121222112122 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twenty-two".