11002221120004 has 6 divisors (see below), whose sum is σ = 19253886960014. Its totient is φ = 5501110560000.

The previous prime is 11002221119983. The next prime is 11002221120013. The reversal of 11002221120004 is 40002112220011.

It can be written as a sum of positive squares in only one way, i.e., 10006795875904 + 995425244100 = 3163352^2 + 997710^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11002221120004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375277639997 + ... + 1375277640004.

Almost surely, 2^{11002221120004} is an apocalyptic number.

It is an amenable number.

11002221120004 is a deficient number, since it is larger than the sum of its proper divisors (8251665840010).

11002221120004 is a wasteful number, since it uses less digits than its factorization.

11002221120004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750555280005 (or 2750555280003 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11002221120004 its reverse (40002112220011), we get a palindrome (51004333340015).

It can be divided in two parts, 11002221 and 120004, that added together give a square (11122225 = 3335²).

The spelling of 11002221120004 in words is "eleven trillion, two billion, two hundred twenty-one million, one hundred twenty thousand, four".