11110021210120 has 64 divisors (see below), whose sum is σ = 29810740158720. Its totient is φ = 3643534904064.

The previous prime is 11110021210103. The next prime is 11110021210147. The reversal of 11110021210120 is 2101212001111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11110021210120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862572847 + ... + 862585726.

It is an arithmetic number, because the mean of its divisors is an integer number (465792814980).

Almost surely, 2^{11110021210120} is an apocalyptic number.

11110021210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110021210120 is an abundant number, since it is smaller than the sum of its proper divisors (18700718948600).

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

11110021210120 is a wasteful number, since it uses less digits than its factorization.

11110021210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725158614 (or 1725158610 counting only the distinct ones).

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

Adding to 11110021210120 its reverse (2101212001111), we get a palindrome (13211233211231).

The spelling of 11110021210120 in words is "eleven trillion, one hundred ten billion, twenty-one million, two hundred ten thousand, one hundred twenty".