1101033243 has 24 divisors (see below), whose sum is σ = 1661373168. Its totient is φ = 728642304.

The previous prime is 1101033239. The next prime is 1101033259. The reversal of 1101033243 is 3423301011.

It is not a de Polignac number, because 1101033243 - 2² = 1101033239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101043243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16755 + ... + 49827.

It is an arithmetic number, because the mean of its divisors is an integer number (69223882).

Almost surely, 2^1101033243 is an apocalyptic number.

1101033243 is a deficient number, since it is larger than the sum of its proper divisors (560339925).

1101033243 is an equidigital number, since it uses as much as digits as its factorization.

1101033243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33225 (or 33213 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1101033243 is about 33181.8209717309. The cubic root of 1101033243 is about 1032.6032252812.

Adding to 1101033243 its reverse (3423301011), we get a palindrome (4524334254).

It can be divided in two parts, 11010 and 33243, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 1101033243 in words is "one billion, one hundred one million, thirty-three thousand, two hundred forty-three".