11002220012 has 12 divisors (see below), whose sum is σ = 22004440080. Its totient is φ = 4715237136.

The previous prime is 11002219997. The next prime is 11002220023. The reversal of 11002220012 is 21002220011.

It is a happy number.

11002220012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11002219975 and 11002220002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196468187 + ... + 196468242.

It is an arithmetic number, because the mean of its divisors is an integer number (1833703340).

Almost surely, 2^11002220012 is an apocalyptic number.

It is an amenable number.

11002220012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11002220012 is a wasteful number, since it uses less digits than its factorization.

11002220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392936440 (or 392936438 counting only the distinct ones).

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

Adding to 11002220012 its reverse (21002220011), we get a palindrome (32004440023).

Subtracting 11002220012 from its reverse (21002220011), we obtain a palindrome (9999999999).

The spelling of 11002220012 in words is "eleven billion, two million, two hundred twenty thousand, twelve".