2112100011103 has 4 divisors (see below), whose sum is σ = 2112527307168. Its totient is φ = 2111672715040.

The previous prime is 2112100011083. The next prime is 2112100011149. The reversal of 2112100011103 is 3011100012112.

It is a happy number.

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 2112100011103 - 2¹³ = 2112100002911 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 (2112100012103) 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, 213640618 + ... + 213650503.

It is an arithmetic number, because the mean of its divisors is an integer number (528131826792).

Almost surely, 2^{2112100011103} is an apocalyptic number.

2112100011103 is a deficient number, since it is larger than the sum of its proper divisors (427296065).

2112100011103 is an equidigital number, since it uses as much as digits as its factorization.

2112100011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427296064.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 2112100011103 its reverse (3011100012112), we get a palindrome (5123200023215).

The spelling of 2112100011103 in words is "two trillion, one hundred twelve billion, one hundred million, eleven thousand, one hundred three".