1103132221 has 8 divisors (see below), whose sum is σ = 1118707200. Its totient is φ = 1087597680.

The previous prime is 1103132213. The next prime is 1103132231. The reversal of 1103132221 is 1222313011.

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 1103132221 - 2³ = 1103132213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103132195 and 1103132204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103132231) 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, 47091 + ... + 66511.

It is an arithmetic number, because the mean of its divisors is an integer number (139838400).

Almost surely, 2^1103132221 is an apocalyptic number.

It is an amenable number.

1103132221 is a deficient number, since it is larger than the sum of its proper divisors (15574979).

1103132221 is an equidigital number, since it uses as much as digits as its factorization.

1103132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20219.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1103132221 is about 33213.4343451562. The cubic root of 1103132221 is about 1033.2589837476.

Adding to 1103132221 its reverse (1222313011), we get a palindrome (2325445232).

The spelling of 1103132221 in words is "one billion, one hundred three million, one hundred thirty-two thousand, two hundred twenty-one".