1113041101 has 4 divisors (see below), whose sum is σ = 1113191100. Its totient is φ = 1112891104.

The previous prime is 1113041057. The next prime is 1113041117. The reversal of 1113041101 is 1011403111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1011403111 = 443 ⋅2283077.

It can be written as a sum of positive squares in 2 ways, for example, as 277888900 + 835152201 = 16670^2 + 28899^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113041101 - 2¹⁵ = 1113008333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113041131) 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, 63256 + ... + 78913.

It is an arithmetic number, because the mean of its divisors is an integer number (278297775).

Almost surely, 2^1113041101 is an apocalyptic number.

It is an amenable number.

1113041101 is a deficient number, since it is larger than the sum of its proper divisors (149999).

1113041101 is an equidigital number, since it uses as much as digits as its factorization.

1113041101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149998.

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

The square root of 1113041101 is about 33362.2706211673. The cubic root of 1113041101 is about 1036.3435144976.

Adding to 1113041101 its reverse (1011403111), we get a palindrome (2124444212).

The spelling of 1113041101 in words is "one billion, one hundred thirteen million, forty-one thousand, one hundred one".