1103303030221 has 4 divisors (see below), whose sum is σ = 1260917748832. Its totient is φ = 945688311612.

The previous prime is 1103303030191. The next prime is 1103303030231. The reversal of 1103303030221 is 1220303033011.

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 1103303030221 - 2¹⁵ = 1103302997453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103303030231) 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, 78807359295 + ... + 78807359308.

It is an arithmetic number, because the mean of its divisors is an integer number (315229437208).

Almost surely, 2^{1103303030221} is an apocalyptic number.

It is an amenable number.

1103303030221 is a deficient number, since it is larger than the sum of its proper divisors (157614718611).

1103303030221 is an equidigital number, since it uses as much as digits as its factorization.

1103303030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157614718610.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1103303030221 its reverse (1220303033011), we get a palindrome (2323606063232).

The spelling of 1103303030221 in words is "one trillion, one hundred three billion, three hundred three million, thirty thousand, two hundred twenty-one".