11221222122103 has 4 divisors (see below), whose sum is σ = 12824253853840. Its totient is φ = 9618190390368.

The previous prime is 11221222122083. The next prime is 11221222122107. The reversal of 11221222122103 is 30122122212211.

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

It is a de Polignac number, because none of the positive numbers 2^k-11221222122103 is a prime.

It is a super-2 number, since 2×11221222122103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221222122107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801515865858 + ... + 801515865871.

It is an arithmetic number, because the mean of its divisors is an integer number (3206063463460).

Almost surely, 2^{11221222122103} is an apocalyptic number.

11221222122103 is a deficient number, since it is larger than the sum of its proper divisors (1603031731737).

11221222122103 is an equidigital number, since it uses as much as digits as its factorization.

11221222122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603031731736.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11221222122103 its reverse (30122122212211), we get a palindrome (41343344334314).

The spelling of 11221222122103 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred three".