1103202221 has 8 divisors (see below), whose sum is σ = 1212681888. Its totient is φ = 995254000.

The previous prime is 1103202209. The next prime is 1103202229. The reversal of 1103202221 is 1222023011.

It is a happy number.

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 1103202221 - 2³⁰ = 29460397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103202196 and 1103202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103202229) 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, 381350 + ... + 384231.

It is an arithmetic number, because the mean of its divisors is an integer number (151585236).

Almost surely, 2^1103202221 is an apocalyptic number.

1103202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1103202221 is a deficient number, since it is larger than the sum of its proper divisors (109479667).

1103202221 is a wasteful number, since it uses less digits than its factorization.

1103202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765723.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1103202221 is about 33214.4881188917. The cubic root of 1103202221 is about 1033.2808386675.

Adding to 1103202221 its reverse (1222023011), we get a palindrome (2325225232).

The spelling of 1103202221 in words is "one billion, one hundred three million, two hundred two thousand, two hundred twenty-one".