11220003103 has 4 divisors (see below), whose sum is σ = 11220218488. Its totient is φ = 11219787720.

The previous prime is 11220003089. The next prime is 11220003127. The reversal of 11220003103 is 30130002211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11220003103 - 2²⁹ = 10683132191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220003143) 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, 24700 + ... + 151822.

It is an arithmetic number, because the mean of its divisors is an integer number (2805054622).

Almost surely, 2^11220003103 is an apocalyptic number.

11220003103 is a deficient number, since it is larger than the sum of its proper divisors (215385).

11220003103 is an equidigital number, since it uses as much as digits as its factorization.

11220003103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215384.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11220003103 its reverse (30130002211), we get a palindrome (41350005314).

The spelling of 11220003103 in words is "eleven billion, two hundred twenty million, three thousand, one hundred three".