11110220211020 has 72 divisors (see below), whose sum is σ = 27147430121616. Its totient is φ = 3808271085696.

The previous prime is 11110220210963. The next prime is 11110220211029. The reversal of 11110220211020 is 2011202201111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11110220210986 and 11110220211004.

It is not an unprimeable number, because it can be changed into a prime (11110220211029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2538842 + ... + 5354078.

It is an arithmetic number, because the mean of its divisors is an integer number (377047640578).

Almost surely, 2^{11110220211020} is an apocalyptic number.

11110220211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110220211020 is an abundant number, since it is smaller than the sum of its proper divisors (16037209910596).

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

11110220211020 is a wasteful number, since it uses less digits than its factorization.

11110220211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819287 (or 2819278 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11110220211020 its reverse (2011202201111), we get a palindrome (13121422412131).

The spelling of 11110220211020 in words is "eleven trillion, one hundred ten billion, two hundred twenty million, two hundred eleven thousand, twenty".