2111112220103 has 16 divisors (see below), whose sum is σ = 2193964185600. Its totient is φ = 2028944302560.

The previous prime is 2111112220099. The next prime is 2111112220153. The reversal of 2111112220103 is 3010222111112.

It is a happy number.

It is not a de Polignac number, because 2111112220103 - 2² = 2111112220099 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 (2111112220153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8546708 + ... + 8790246.

It is an arithmetic number, because the mean of its divisors is an integer number (137122761600).

Almost surely, 2^{2111112220103} is an apocalyptic number.

2111112220103 is a deficient number, since it is larger than the sum of its proper divisors (82851965497).

2111112220103 is a wasteful number, since it uses less digits than its factorization.

2111112220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244942.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2111112220103 its reverse (3010222111112), we get a palindrome (5121334331215).

The spelling of 2111112220103 in words is "two trillion, one hundred eleven billion, one hundred twelve million, two hundred twenty thousand, one hundred three".