1101108893 has 4 divisors (see below), whose sum is σ = 1102042428. Its totient is φ = 1100175360.

The previous prime is 1101108857. The next prime is 1101108907. The reversal of 1101108893 is 3988011011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3988011011 = 17 ⋅234588883.

It can be written as a sum of positive squares in 2 ways, for example, as 750595609 + 350513284 = 27397^2 + 18722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101108893 - 2¹⁶ = 1101043357 is a prime.

It is a super-3 number, since 3×1101108893³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101108803) 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, 464996 + ... + 467357.

It is an arithmetic number, because the mean of its divisors is an integer number (275510607).

Almost surely, 2^1101108893 is an apocalyptic number.

It is an amenable number.

1101108893 is a deficient number, since it is larger than the sum of its proper divisors (933535).

1101108893 is an equidigital number, since it uses as much as digits as its factorization.

1101108893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933534.

The product of its (nonzero) digits is 1728, while the sum is 32.

The square root of 1101108893 is about 33182.9608835619. The cubic root of 1101108893 is about 1032.6268741721.

The spelling of 1101108893 in words is "one billion, one hundred one million, one hundred eight thousand, eight hundred ninety-three".