11110001122122 has 96 divisors (see below), whose sum is σ = 25997396705280. Its totient is φ = 3155927654880.

The previous prime is 11110001122069. The next prime is 11110001122123. The reversal of 11110001122122 is 22122110001111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11110001122123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103662879 + ... + 103769997.

It is an arithmetic number, because the mean of its divisors is an integer number (270806215680).

Almost surely, 2^{11110001122122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11110001122122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12998698352640).

11110001122122 is an abundant number, since it is smaller than the sum of its proper divisors (14887395583158).

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

11110001122122 is a wasteful number, since it uses less digits than its factorization.

11110001122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109176 (or 109169 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11110001122122 its reverse (22122110001111), we get a palindrome (33232111123233).

The spelling of 11110001122122 in words is "eleven trillion, one hundred ten billion, one million, one hundred twenty-two thousand, one hundred twenty-two".