1101101018 has 4 divisors (see below), whose sum is σ = 1651651530. Its totient is φ = 550550508.

The previous prime is 1101101017. The next prime is 1101101039. The reversal of 1101101018 is 8101011011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 927994369 + 173106649 = 30463^2 + 13157^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1101100993 and 1101101011.

It is not an unprimeable number, because it can be changed into a prime (1101101017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275275253 + ... + 275275256.

Almost surely, 2^1101101018 is an apocalyptic number.

1101101018 is a deficient number, since it is larger than the sum of its proper divisors (550550512).

1101101018 is an equidigital number, since it uses as much as digits as its factorization.

1101101018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550550511.

The product of its (nonzero) digits is 8, while the sum is 14.

The square root of 1101101018 is about 33182.8422230526. The cubic root of 1101101018 is about 1032.6244124246.

Adding to 1101101018 its reverse (8101011011), we get a palindrome (9202112029).

The spelling of 1101101018 in words is "one billion, one hundred one million, one hundred one thousand, eighteen".