11002222123 has 8 divisors (see below), whose sum is σ = 11037297600. Its totient is φ = 10967203008.

The previous prime is 11002222111. The next prime is 11002222139. The reversal of 11002222123 is 32122220011.

It is a happy number.

11002222123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11002222123 - 2¹³ = 11002213931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002222097 and 11002222106.

It is not an unprimeable number, because it can be changed into a prime (11002222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395665 + ... + 422557.

It is an arithmetic number, because the mean of its divisors is an integer number (1379662200).

Almost surely, 2^11002222123 is an apocalyptic number.

11002222123 is a deficient number, since it is larger than the sum of its proper divisors (35075477).

11002222123 is an equidigital number, since it uses as much as digits as its factorization.

11002222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28181.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11002222123 its reverse (32122220011), we get a palindrome (43124442134).

The spelling of 11002222123 in words is "eleven billion, two million, two hundred twenty-two thousand, one hundred twenty-three".