1100112113 has 4 divisors (see below), whose sum is σ = 1101577728. Its totient is φ = 1098646500.

The previous prime is 1100112037. The next prime is 1100112121. The reversal of 1100112113 is 3112110011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3112110011 = 12377 ⋅251443.

It is a cyclic number.

It is not a de Polignac number, because 1100112113 - 2¹² = 1100108017 is a prime.

It is a super-2 number, since 2×1100112113² = 2420493322338649538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1100112094 and 1100112103.

It is not an unprimeable number, because it can be changed into a prime (1100112133) 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, 731681 + ... + 733182.

It is an arithmetic number, because the mean of its divisors is an integer number (275394432).

Almost surely, 2^1100112113 is an apocalyptic number.

It is an amenable number.

1100112113 is a deficient number, since it is larger than the sum of its proper divisors (1465615).

1100112113 is an equidigital number, since it uses as much as digits as its factorization.

1100112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465614.

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

The square root of 1100112113 is about 33167.9380275591. The cubic root of 1100112113 is about 1032.3151845742.

Adding to 1100112113 its reverse (3112110011), we get a palindrome (4212222124).

The spelling of 1100112113 in words is "one billion, one hundred million, one hundred twelve thousand, one hundred thirteen".