1130111111 has 4 divisors (see below), whose sum is σ = 1137044472. Its totient is φ = 1123177752.

The previous prime is 1130111093. The next prime is 1130111117. The reversal of 1130111111 is 1111110311.

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 1130111111 - 2¹⁴ = 1130094727 is a prime.

It is a super-2 number, since 2×1130111111² = 2554302246411308642, which contains 22 as substring.

It is a Duffinian number.

1130111111 is a modest number, since divided by 111111 gives 1130 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1130111092 and 1130111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130111117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3466436 + ... + 3466761.

It is an arithmetic number, because the mean of its divisors is an integer number (284261118).

Almost surely, 2^1130111111 is an apocalyptic number.

1130111111 is a deficient number, since it is larger than the sum of its proper divisors (6933361).

1130111111 is an equidigital number, since it uses as much as digits as its factorization.

1130111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933360.

The product of its (nonzero) digits is 3, while the sum is 11.

The square root of 1130111111 is about 33617.1252637700. The cubic root of 1130111111 is about 1041.6145751387.

Adding to 1130111111 its reverse (1111110311), we get a palindrome (2241221422).

The spelling of 1130111111 in words is "one billion, one hundred thirty million, one hundred eleven thousand, one hundred eleven".