11130111 has 12 divisors (see below), whose sum is σ = 16106688. Its totient is φ = 7406304.

The previous prime is 11130109. The next prime is 11130127. The reversal of 11130111 is 11103111.

It is not a de Polignac number, because 11130111 - 2¹ = 11130109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11130093 and 11130102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7051 + ... + 8483.

It is an arithmetic number, because the mean of its divisors is an integer number (1342224).

Almost surely, 2^11130111 is an apocalyptic number.

11130111 is a deficient number, since it is larger than the sum of its proper divisors (4976577).

11130111 is a wasteful number, since it uses less digits than its factorization.

11130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 11130111 is about 3336.1820993465. The cubic root of 11130111 is about 223.2714357808.

Adding to 11130111 its reverse (11103111), we get a palindrome (22233222).

Subtracting from 11130111 its reverse (11103111), we obtain a cube (27000 = 30³).

The spelling of 11130111 in words is "eleven million, one hundred thirty thousand, one hundred eleven".