2211103123103 has 16 divisors (see below), whose sum is σ = 2574833149440. Its totient is φ = 1859342618016.

The previous prime is 2211103123087. The next prime is 2211103123123. The reversal of 2211103123103 is 3013213011122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2211103123103 - 2⁴ = 2211103123087 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 (2211103123123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5322908 + ... + 5723246.

It is an arithmetic number, because the mean of its divisors is an integer number (160927071840).

Almost surely, 2^{2211103123103} is an apocalyptic number.

2211103123103 is a deficient number, since it is larger than the sum of its proper divisors (363730026337).

2211103123103 is a wasteful number, since it uses less digits than its factorization.

2211103123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415286.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2211103123103 its reverse (3013213011122), we get a palindrome (5224316134225).

The spelling of 2211103123103 in words is "two trillion, two hundred eleven billion, one hundred three million, one hundred twenty-three thousand, one hundred three".