2113210012103 has 4 divisors (see below), whose sum is σ = 2113617265320. Its totient is φ = 2112802758888.

The previous prime is 2113210012079. The next prime is 2113210012129. The reversal of 2113210012103 is 3012100123112.

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 2113210012103 - 2³⁴ = 2096030142919 is a prime.

It is a super-2 number, since 2×2113210012103² (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 (2113210012603) 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 3 ways as a sum of consecutive naturals, for example, 203618825 + ... + 203629202.

It is an arithmetic number, because the mean of its divisors is an integer number (528404316330).

Almost surely, 2^{2113210012103} is an apocalyptic number.

2113210012103 is a deficient number, since it is larger than the sum of its proper divisors (407253217).

2113210012103 is an equidigital number, since it uses as much as digits as its factorization.

2113210012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407253216.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2113210012103 its reverse (3012100123112), we get a palindrome (5125310135215).

The spelling of 2113210012103 in words is "two trillion, one hundred thirteen billion, two hundred ten million, twelve thousand, one hundred three".