1103324221 has 4 divisors (see below), whose sum is σ = 1104568992. Its totient is φ = 1102079452.

The previous prime is 1103324219. The next prime is 1103324239. The reversal of 1103324221 is 1224233011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1224233011 = 7757 ⋅157823.

It is a cyclic number.

It is not a de Polignac number, because 1103324221 - 2¹ = 1103324219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103324821) 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, 621055 + ... + 622828.

It is an arithmetic number, because the mean of its divisors is an integer number (276142248).

Almost surely, 2^1103324221 is an apocalyptic number.

It is an amenable number.

1103324221 is a deficient number, since it is larger than the sum of its proper divisors (1244771).

1103324221 is an equidigital number, since it uses as much as digits as its factorization.

1103324221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244770.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1103324221 is about 33216.3246160679. The cubic root of 1103324221 is about 1033.3189264612.

Adding to 1103324221 its reverse (1224233011), we get a palindrome (2327557232).

It can be divided in two parts, 110 and 3324221, that added together give a triangular number (3324331 = T₂₅₇₈).

The spelling of 1103324221 in words is "one billion, one hundred three million, three hundred twenty-four thousand, two hundred twenty-one".