11002111111 has 8 divisors (see below), whose sum is σ = 11568104064. Its totient is φ = 10443421560.

The previous prime is 11002111069. The next prime is 11002111129. The reversal of 11002111111 is 11111120011.

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 11002111111 - 2¹⁹ = 11001586823 is a prime.

It is a Duffinian number.

11002111111 is a modest number, since divided by 111111 gives 11002 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002111151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822761 + ... + 1828786.

It is an arithmetic number, because the mean of its divisors is an integer number (1446013008).

Almost surely, 2^11002111111 is an apocalyptic number.

11002111111 is a deficient number, since it is larger than the sum of its proper divisors (565992953).

11002111111 is a wasteful number, since it uses less digits than its factorization.

11002111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651701.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11002111111 its reverse (11111120011), we get a palindrome (22113231122).

The spelling of 11002111111 in words is "eleven billion, two million, one hundred eleven thousand, one hundred eleven".