2113123012103 has 8 divisors (see below), whose sum is σ = 2224977246720. Its totient is φ = 2001332500920.

The previous prime is 2113123012093. The next prime is 2113123012109. The reversal of 2113123012103 is 3012103213112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113123012103 - 2⁸ = 2113123011847 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 (2113123012109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15862775 + ... + 15995432.

It is an arithmetic number, because the mean of its divisors is an integer number (278122155840).

Almost surely, 2^{2113123012103} is an apocalyptic number.

2113123012103 is a deficient number, since it is larger than the sum of its proper divisors (111854234617).

2113123012103 is a wasteful number, since it uses less digits than its factorization.

2113123012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31861717.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2113123012103 its reverse (3012103213112), we get a palindrome (5125226225215).

The spelling of 2113123012103 in words is "two trillion, one hundred thirteen billion, one hundred twenty-three million, twelve thousand, one hundred three".