11102120011 has 8 divisors (see below), whose sum is σ = 11756852784. Its totient is φ = 10447572480.

The previous prime is 11102119999. The next prime is 11102120021. The reversal of 11102120011 is 11002120111.

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 11102120011 - 2⁵ = 11102119979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11102120011.

It is not an unprimeable number, because it can be changed into a prime (11102120021) 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, 88291 + ... + 173203.

It is an arithmetic number, because the mean of its divisors is an integer number (1469606598).

Almost surely, 2^11102120011 is an apocalyptic number.

11102120011 is a deficient number, since it is larger than the sum of its proper divisors (654732773).

11102120011 is an equidigital number, since it uses as much as digits as its factorization.

11102120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92621.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11102120011 its reverse (11002120111), we get a palindrome (22104240122).

The spelling of 11102120011 in words is "eleven billion, one hundred two million, one hundred twenty thousand, eleven".