11110012120 has 64 divisors (see below), whose sum is σ = 26573896800. Its totient is φ = 4168396800.

The previous prime is 11110012087. The next prime is 11110012127. The reversal of 11110012120 is 2121001111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11110012097 and 11110012106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110012127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4392 + ... + 149128.

Almost surely, 2^11110012120 is an apocalyptic number.

11110012120 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 11110012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13286948400).

11110012120 is an abundant number, since it is smaller than the sum of its proper divisors (15463884680).

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

11110012120 is a wasteful number, since it uses less digits than its factorization.

11110012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144868 (or 144864 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11110012120 its reverse (2121001111), we get a palindrome (13231013231).

The spelling of 11110012120 in words is "eleven billion, one hundred ten million, twelve thousand, one hundred twenty".