11001202220 has 48 divisors (see below), whose sum is σ = 24118734528. Its totient is φ = 4207104000.

The previous prime is 11001202213. The next prime is 11001202297. The reversal of 11001202220 is 2220210011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217720 + ... + 1226720.

It is an arithmetic number, because the mean of its divisors is an integer number (502473636).

Almost surely, 2^11001202220 is an apocalyptic number.

11001202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001202220 is an abundant number, since it is smaller than the sum of its proper divisors (13117532308).

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

11001202220 is a wasteful number, since it uses less digits than its factorization.

11001202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11690 (or 11688 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11001202220 its reverse (2220210011), we get a palindrome (13221412231).

The spelling of 11001202220 in words is "eleven billion, one million, two hundred two thousand, two hundred twenty".