11011021122120 has 64 divisors (see below), whose sum is σ = 34771645656000. Its totient is φ = 2781731651328.

The previous prime is 11011021122107. The next prime is 11011021122181. The reversal of 11011021122120 is 2122112011011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11011021122120.

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, 2414695335 + ... + 2414699894.

It is an arithmetic number, because the mean of its divisors is an integer number (543306963375).

Almost surely, 2^{11011021122120} is an apocalyptic number.

11011021122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011021122120 is an abundant number, since it is smaller than the sum of its proper divisors (23760624533880).

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

11011021122120 is a wasteful number, since it uses less digits than its factorization.

11011021122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829395262 (or 4829395258 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11011021122120 its reverse (2122112011011), we get a palindrome (13133133133131).

It can be divided in two parts, 1101102 and 1122120, that added together give a palindrome (2223222).

The spelling of 11011021122120 in words is "eleven trillion, eleven billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty".