2112131010103 has 4 divisors (see below), whose sum is σ = 2119647490848. Its totient is φ = 2104614529360.

The previous prime is 2112131010071. The next prime is 2112131010139. The reversal of 2112131010103 is 3010101312112.

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 2112131010103 - 2⁵ = 2112131010071 is a prime.

It is a super-2 number, since 2×2112131010103² (a number of 25 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 (2112131011103) 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, 3758239951 + ... + 3758240512.

It is an arithmetic number, because the mean of its divisors is an integer number (529911872712).

Almost surely, 2^{2112131010103} is an apocalyptic number.

2112131010103 is a deficient number, since it is larger than the sum of its proper divisors (7516480745).

2112131010103 is an equidigital number, since it uses as much as digits as its factorization.

2112131010103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7516480744.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2112131010103 its reverse (3010101312112), we get a palindrome (5122232322215).

The spelling of 2112131010103 in words is "two trillion, one hundred twelve billion, one hundred thirty-one million, ten thousand, one hundred three".