11102211020 has 12 divisors (see below), whose sum is σ = 23314643184. Its totient is φ = 4440884400.

The previous prime is 11102211011. The next prime is 11102211031. The reversal of 11102211020 is 2011220111.

It is a junction number, because it is equal to n+sod(n) for n = 11102210992 and 11102211010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277555256 + ... + 277555295.

It is an arithmetic number, because the mean of its divisors is an integer number (1942886932).

Almost surely, 2^11102211020 is an apocalyptic number.

11102211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102211020 is an abundant number, since it is smaller than the sum of its proper divisors (12212432164).

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

11102211020 is a wasteful number, since it uses less digits than its factorization.

11102211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555110560 (or 555110558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11102211020 its reverse (2011220111), we get a palindrome (13113431131).

Subtracting from 11102211020 its reverse (2011220111), we obtain a palindrome (9090990909).

The spelling of 11102211020 in words is "eleven billion, one hundred two million, two hundred eleven thousand, twenty".