1103321100243 has 16 divisors (see below), whose sum is σ = 1471746742560. Its totient is φ = 735221520384.

The previous prime is 1103321100241. The next prime is 1103321100257. The reversal of 1103321100243 is 3420011233011.

It is not a de Polignac number, because 1103321100243 - 2¹ = 1103321100241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103321100241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97867255 + ... + 97878527.

It is an arithmetic number, because the mean of its divisors is an integer number (91984171410).

Almost surely, 2^{1103321100243} is an apocalyptic number.

1103321100243 is a deficient number, since it is larger than the sum of its proper divisors (368425642317).

1103321100243 is a wasteful number, since it uses less digits than its factorization.

1103321100243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22838.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1103321100243 its reverse (3420011233011), we get a palindrome (4523332333254).

The spelling of 1103321100243 in words is "one trillion, one hundred three billion, three hundred twenty-one million, one hundred thousand, two hundred forty-three".