1103221013 has 8 divisors (see below), whose sum is σ = 1153224000. Its totient is φ = 1053387808.

The previous prime is 1103220991. The next prime is 1103221019. The reversal of 1103221013 is 3101223011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1103221013 - 2⁸ = 1103220757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103221019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29063 + ... + 55236.

It is an arithmetic number, because the mean of its divisors is an integer number (144153000).

Almost surely, 2^1103221013 is an apocalyptic number.

It is an amenable number.

1103221013 is a deficient number, since it is larger than the sum of its proper divisors (50002987).

1103221013 is an equidigital number, since it uses as much as digits as its factorization.

1103221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84891.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1103221013 is about 33214.7710062857. The cubic root of 1103221013 is about 1033.2867056195.

Adding to 1103221013 its reverse (3101223011), we get a palindrome (4204444024).

The spelling of 1103221013 in words is "one billion, one hundred three million, two hundred twenty-one thousand, thirteen".