11002221012012 has 12 divisors (see below), whose sum is σ = 25671849028056. Its totient is φ = 3667407004000.

The previous prime is 11002221011959. The next prime is 11002221012089. The reversal of 11002221012012 is 21021012220011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11002221011982 and 11002221012000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458425875489 + ... + 458425875512.

It is an arithmetic number, because the mean of its divisors is an integer number (2139320752338).

Almost surely, 2^{11002221012012} is an apocalyptic number.

11002221012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11002221012012 is an abundant number, since it is smaller than the sum of its proper divisors (14669628016044).

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

11002221012012 is a wasteful number, since it uses less digits than its factorization.

11002221012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916851751008 (or 916851751006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11002221012012 its reverse (21021012220011), we get a palindrome (32023233232023).

The spelling of 11002221012012 in words is "eleven trillion, two billion, two hundred twenty-one million, twelve thousand, twelve".