11012210220 has 48 divisors (see below), whose sum is σ = 33637298688. Its totient is φ = 2669626560.

The previous prime is 11012210201. The next prime is 11012210221. The reversal of 11012210220 is 2201221011.

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 = 11012210196 and 11012210205.

It is not an unprimeable number, because it can be changed into a prime (11012210221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8341924 + ... + 8343243.

It is an arithmetic number, because the mean of its divisors is an integer number (700777056).

Almost surely, 2^11012210220 is an apocalyptic number.

11012210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012210220 is an abundant number, since it is smaller than the sum of its proper divisors (22625088468).

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

11012210220 is a wasteful number, since it uses less digits than its factorization.

11012210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16685190 (or 16685188 counting only the distinct ones).

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

Adding to 11012210220 its reverse (2201221011), we get a palindrome (13213431231).

The spelling of 11012210220 in words is "eleven billion, twelve million, two hundred ten thousand, two hundred twenty".