11121114500 has 48 divisors (see below), whose sum is σ = 24434137728. Its totient is φ = 4421775200.

The previous prime is 11121114427. The next prime is 11121114509. The reversal of 11121114500 is 541112111.

It is a super-2 number, since 2×11121114500² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11121114509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16907 + ... + 150093.

It is an arithmetic number, because the mean of its divisors is an integer number (509044536).

Almost surely, 2^11121114500 is an apocalyptic number.

11121114500 is a gapful number since it is divisible by the number (10) 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 11121114500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12217068864).

11121114500 is an abundant number, since it is smaller than the sum of its proper divisors (13313023228).

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

11121114500 is a wasteful number, since it uses less digits than its factorization.

11121114500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133373 (or 133361 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 11121114500 its reverse (541112111), we get a palindrome (11662226611).

The spelling of 11121114500 in words is "eleven billion, one hundred twenty-one million, one hundred fourteen thousand, five hundred".