11002222220 has 48 divisors (see below), whose sum is σ = 25213005216. Its totient is φ = 3999552000.

The previous prime is 11002222139. The next prime is 11002222223. The reversal of 11002222220 is 2222220011.

It is a junction number, because it is equal to n+sod(n) for n = 11002222195 and 11002222204.

It is not an unprimeable number, because it can be changed into a prime (11002222223) 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, 971390 + ... + 982650.

It is an arithmetic number, because the mean of its divisors is an integer number (525270942).

Almost surely, 2^11002222220 is an apocalyptic number.

11002222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002222220 is an abundant number, since it is smaller than the sum of its proper divisors (14210782996).

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

11002222220 is a wasteful number, since it uses less digits than its factorization.

11002222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15722 (or 15720 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 11002222220 its reverse (2222220011), we get a palindrome (13224442231).

The spelling of 11002222220 in words is "eleven billion, two million, two hundred twenty-two thousand, two hundred twenty".