11102211102220 has 72 divisors (see below), whose sum is σ = 27189431798256. Its totient is φ = 3796884153216.

The previous prime is 11102211102181. The next prime is 11102211102263. The reversal of 11102211102220 is 2220111220111.

It is a junction number, because it is equal to n+sod(n) for n = 11102211102194 and 11102211102203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13878934 + ... + 14657053.

It is an arithmetic number, because the mean of its divisors is an integer number (377630997198).

Almost surely, 2^{11102211102220} is an apocalyptic number.

11102211102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102211102220 is an abundant number, since it is smaller than the sum of its proper divisors (16087220696036).

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

11102211102220 is a wasteful number, since it uses less digits than its factorization.

11102211102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28536407 (or 28536398 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11102211102220 its reverse (2220111220111), we get a palindrome (13322322322331).

The spelling of 11102211102220 in words is "eleven trillion, one hundred two billion, two hundred eleven million, one hundred two thousand, two hundred twenty".