1103221113 has 4 divisors (see below), whose sum is σ = 1470961488. Its totient is φ = 735480740.

The previous prime is 1103221099. The next prime is 1103221139. The reversal of 1103221113 is 3111223011.

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.

It is a cyclic number.

It is not a de Polignac number, because 1103221113 - 2¹⁶ = 1103155577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103221092 and 1103221101.

It is not an unprimeable number, because it can be changed into a prime (1103221313) 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, 183870183 + ... + 183870188.

It is an arithmetic number, because the mean of its divisors is an integer number (367740372).

Almost surely, 2^1103221113 is an apocalyptic number.

It is an amenable number.

1103221113 is a deficient number, since it is larger than the sum of its proper divisors (367740375).

1103221113 is an equidigital number, since it uses as much as digits as its factorization.

1103221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367740374.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1103221113 is about 33214.7725116401. The cubic root of 1103221113 is about 1033.2867368398.

Adding to 1103221113 its reverse (3111223011), we get a palindrome (4214444124).

It can be divided in two parts, 110 and 3221113, that added together give a palindrome (3221223).

The spelling of 1103221113 in words is "one billion, one hundred three million, two hundred twenty-one thousand, one hundred thirteen".