1103240220443 has 4 divisors (see below), whose sum is σ = 1103246549688. Its totient is φ = 1103233891200.

The previous prime is 1103240220389. The next prime is 1103240220463. The reversal of 1103240220443 is 3440220423011.

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

It is a cyclic number.

It is not a de Polignac number, because 1103240220443 - 2²⁸ = 1102971784987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103240220463) 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, 2895533 + ... + 3254318.

It is an arithmetic number, because the mean of its divisors is an integer number (275811637422).

Almost surely, 2^{1103240220443} is an apocalyptic number.

1103240220443 is a deficient number, since it is larger than the sum of its proper divisors (6329245).

1103240220443 is an equidigital number, since it uses as much as digits as its factorization.

1103240220443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329244.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1103240220443 its reverse (3440220423011), we get a palindrome (4543460643454).

The spelling of 1103240220443 in words is "one trillion, one hundred three billion, two hundred forty million, two hundred twenty thousand, four hundred forty-three".