11201102220 has 96 divisors (see below), whose sum is σ = 39102045696. Its totient is φ = 2327500800.

The previous prime is 11201102219. The next prime is 11201102251. The reversal of 11201102220 is 2220110211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11201102196 and 11201102205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1207621 + ... + 1216860.

It is an arithmetic number, because the mean of its divisors is an integer number (407312976).

Almost surely, 2^11201102220 is an apocalyptic number.

11201102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201102220 is an abundant number, since it is smaller than the sum of its proper divisors (27900943476).

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

11201102220 is a wasteful number, since it uses less digits than its factorization.

11201102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424511 (or 2424509 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11201102220 its reverse (2220110211), we get a palindrome (13421212431).

The spelling of 11201102220 in words is "eleven billion, two hundred one million, one hundred two thousand, two hundred twenty".