11130022111 has 36 divisors (see below), whose sum is σ = 12969294912. Its totient is φ = 9514162944.

The previous prime is 11130022109. The next prime is 11130022117. The reversal of 11130022111 is 11122003111.

It is a happy number.

It is not a de Polignac number, because 11130022111 - 2¹ = 11130022109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11130022091 and 11130022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130022117) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12896466 + ... + 12897328.

It is an arithmetic number, because the mean of its divisors is an integer number (360258192).

Almost surely, 2^11130022111 is an apocalyptic number.

11130022111 is a deficient number, since it is larger than the sum of its proper divisors (1839272801).

11130022111 is an equidigital number, since it uses as much as digits as its factorization.

11130022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 960 counting only the distinct ones).

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

Adding to 11130022111 its reverse (11122003111), we get a palindrome (22252025222).

The spelling of 11130022111 in words is "eleven billion, one hundred thirty million, twenty-two thousand, one hundred eleven".