11103220220220 has 36 divisors (see below), whose sum is σ = 33679768001880. Its totient is φ = 2960858725344.

The previous prime is 11103220220173. The next prime is 11103220220237. The reversal of 11103220220220 is 2202202230111.

11103220220220 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 3 + 220 + 220 + 220 = 666.

11103220220220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11103220220193 and 11103220220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30842278210 + ... + 30842278569.

Almost surely, 2^{11103220220220} is an apocalyptic number.

11103220220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103220220220 is an abundant number, since it is smaller than the sum of its proper divisors (22576547781660).

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

11103220220220 is a wasteful number, since it uses less digits than its factorization.

11103220220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61684556794 (or 61684556789 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11103220220220 its reverse (2202202230111), we get a palindrome (13305422450331).

The spelling of 11103220220220 in words is "eleven trillion, one hundred three billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty".