11130202111 has 4 divisors (see below), whose sum is σ = 12720230992. Its totient is φ = 9540173232.

The previous prime is 11130202093. The next prime is 11130202123. The reversal of 11130202111 is 11120203111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11130202111 - 2²¹ = 11128104959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11130202091 and 11130202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130202151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795014430 + ... + 795014443.

It is an arithmetic number, because the mean of its divisors is an integer number (3180057748).

Almost surely, 2^11130202111 is an apocalyptic number.

11130202111 is a deficient number, since it is larger than the sum of its proper divisors (1590028881).

11130202111 is an equidigital number, since it uses as much as digits as its factorization.

11130202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590028880.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11130202111 its reverse (11120203111), we get a palindrome (22250405222).

The spelling of 11130202111 in words is "eleven billion, one hundred thirty million, two hundred two thousand, one hundred eleven".