2111110103 has 4 divisors (see below), whose sum is σ = 2112945408. Its totient is φ = 2109274800.

The previous prime is 2111110097. The next prime is 2111110109. The reversal of 2111110103 is 3010111112.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2111110097) and next prime (2111110109).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111110103 is a prime.

It is a super-4 number, since 4×2111110103⁴ (a number of 38 digits) contains 4444 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 (2111110109) 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, 915926 + ... + 918227.

It is an arithmetic number, because the mean of its divisors is an integer number (528236352).

Almost surely, 2^2111110103 is an apocalyptic number.

2111110103 is a deficient number, since it is larger than the sum of its proper divisors (1835305).

2111110103 is a wasteful number, since it uses less digits than its factorization.

2111110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835304.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 2111110103 is about 45946.8182032227. The cubic root of 2111110103 is about 1282.8335062300.

Adding to 2111110103 its reverse (3010111112), we get a palindrome (5121221215).

The spelling of 2111110103 in words is "two billion, one hundred eleven million, one hundred ten thousand, one hundred three".