11002002220 has 48 divisors (see below), whose sum is σ = 25238884608. Its totient is φ = 3995284160.

The previous prime is 11002002211. The next prime is 11002002241. The reversal of 11002002220 is 2220020011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11002002197 and 11002002206.

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, 129807 + ... + 197113.

It is an arithmetic number, because the mean of its divisors is an integer number (525810096).

Almost surely, 2^11002002220 is an apocalyptic number.

11002002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002002220 is an abundant number, since it is smaller than the sum of its proper divisors (14236882388).

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

11002002220 is a wasteful number, since it uses less digits than its factorization.

11002002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68070 (or 68068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 11002002220 its reverse (2220020011), we get a palindrome (13222022231).

The spelling of 11002002220 in words is "eleven billion, two million, two thousand, two hundred twenty".