11110123121112 has 96 divisors (see below), whose sum is σ = 30330531734880. Its totient is φ = 3673827187200.

The previous prime is 11110123121101. The next prime is 11110123121147. The reversal of 11110123121112 is 21112132101111.

11110123121112 is a `hidden beast` number, since 111 + 101 + 231 + 211 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7272108 + ... + 8666244.

It is an arithmetic number, because the mean of its divisors is an integer number (315943038905).

Almost surely, 2^{11110123121112} is an apocalyptic number.

11110123121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11110123121112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15165265867440).

11110123121112 is an abundant number, since it is smaller than the sum of its proper divisors (19220408613768).

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

11110123121112 is a wasteful number, since it uses less digits than its factorization.

11110123121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395033 (or 1395026 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 11110123121112 its reverse (21112132101111), we get a palindrome (32222255222223).

The spelling of 11110123121112 in words is "eleven trillion, one hundred ten billion, one hundred twenty-three million, one hundred twenty-one thousand, one hundred twelve".