11031120011 has 8 divisors (see below), whose sum is σ = 11388647424. Its totient is φ = 10673697960.

The previous prime is 11031119993. The next prime is 11031120019. The reversal of 11031120011 is 11002113011.

It is a happy number.

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 11031120011 - 2¹⁸ = 11030857867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11031119974 and 11031120001.

It is not an unprimeable number, because it can be changed into a prime (11031120019) 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, 224510 + ... + 269196.

It is an arithmetic number, because the mean of its divisors is an integer number (1423580928).

Almost surely, 2^11031120011 is an apocalyptic number.

11031120011 is a deficient number, since it is larger than the sum of its proper divisors (357527413).

11031120011 is an equidigital number, since it uses as much as digits as its factorization.

11031120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52681.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11031120011 its reverse (11002113011), we get a palindrome (22033233022).

The spelling of 11031120011 in words is "eleven billion, thirty-one million, one hundred twenty thousand, eleven".