11110021021120 has 448 divisors, whose sum is σ = 32780142720000. Its totient is φ = 3574870806528.

The previous prime is 11110021021091. The next prime is 11110021021153. The reversal of 11110021021120 is 2112012001111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a self number, because there is not a number n which added to its sum of digits gives 11110021021120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 223117186 + ... + 223166974.

Almost surely, 2^{11110021021120} is an apocalyptic number.

11110021021120 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 11110021021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16390071360000).

11110021021120 is an abundant number, since it is smaller than the sum of its proper divisors (21670121698880).

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

11110021021120 is a wasteful number, since it uses less digits than its factorization.

11110021021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49953 (or 49929 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11110021021120 its reverse (2112012001111), we get a palindrome (13222033022231).

The spelling of 11110021021120 in words is "eleven trillion, one hundred ten billion, twenty-one million, twenty-one thousand, one hundred twenty".