1103220001 has 24 divisors (see below), whose sum is σ = 1289666880. Its totient is φ = 940395456.

The previous prime is 1103219993. The next prime is 1103220007. The reversal of 1103220001 is 1000223011.

It is not a de Polignac number, because 1103220001 - 2³ = 1103219993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103220001.

It is not an unprimeable number, because it can be changed into a prime (1103220007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107830 + ... + 117616.

It is an arithmetic number, because the mean of its divisors is an integer number (53736120).

Almost surely, 2^1103220001 is an apocalyptic number.

It is an amenable number.

1103220001 is a deficient number, since it is larger than the sum of its proper divisors (186446879).

1103220001 is a wasteful number, since it uses less digits than its factorization.

1103220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9865 (or 9852 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1103220001 is about 33214.7557720962. The cubic root of 1103220001 is about 1033.2863896699.

Adding to 1103220001 its reverse (1000223011), we get a palindrome (2103443012).

The spelling of 1103220001 in words is "one billion, one hundred three million, two hundred twenty thousand, one".