213120113103 has 12 divisors (see below), whose sum is σ = 309559943160. Its totient is φ = 141286330896.

The previous prime is 213120113081. The next prime is 213120113111. The reversal of 213120113103 is 301311021312.

It is not a de Polignac number, because 213120113103 - 2²⁶ = 213053004239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120113123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66143676 + ... + 66146897.

It is an arithmetic number, because the mean of its divisors is an integer number (25796661930).

Almost surely, 2^213120113103 is an apocalyptic number.

213120113103 is a deficient number, since it is larger than the sum of its proper divisors (96439830057).

213120113103 is a wasteful number, since it uses less digits than its factorization.

213120113103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132290758 (or 132290755 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 213120113103 its reverse (301311021312), we get a palindrome (514431134415).

The spelling of 213120113103 in words is "two hundred thirteen billion, one hundred twenty million, one hundred thirteen thousand, one hundred three".