11002222138 has 8 divisors (see below), whose sum is σ = 16506610560. Its totient is φ = 5500018620.

The previous prime is 11002222111. The next prime is 11002222139. The reversal of 11002222138 is 83122220011.

11002222138 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 not an unprimeable number, because it can be changed into a prime (11002222139) 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 3 ways as a sum of consecutive naturals, for example, 533578 + ... + 553813.

It is an arithmetic number, because the mean of its divisors is an integer number (2063326320).

Almost surely, 2^11002222138 is an apocalyptic number.

11002222138 is a deficient number, since it is larger than the sum of its proper divisors (5504388422).

11002222138 is a wasteful number, since it uses less digits than its factorization.

11002222138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092452.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11002222138 its reverse (83122220011), we get a palindrome (94124442149).

The spelling of 11002222138 in words is "eleven billion, two million, two hundred twenty-two thousand, one hundred thirty-eight".