213112222223103 has 24 divisors (see below), whose sum is σ = 354917615783328. Its totient is φ = 120700727626752.

The previous prime is 213112222223071. The next prime is 213112222223161. The reversal of 213112222223103 is 301322222211312.

213112222223103 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 122 + 2 + 222 + 310 + 3 = 666.

It is not a de Polignac number, because 213112222223103 - 2⁵ = 213112222223071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112222222103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14967841050 + ... + 14967855287.

It is an arithmetic number, because the mean of its divisors is an integer number (14788233990972).

Almost surely, 2^{213112222223103} is an apocalyptic number.

213112222223103 is a deficient number, since it is larger than the sum of its proper divisors (141805393560225).

213112222223103 is a wasteful number, since it uses less digits than its factorization.

213112222223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29935696463 (or 29935696460 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 213112222223103 its reverse (301322222211312), we get a palindrome (514434444434415).

It can be divided in two parts, 2131122 and 22223103, that added together give a square (24354225 = 4935²).

The spelling of 213112222223103 in words is "two hundred thirteen trillion, one hundred twelve billion, two hundred twenty-two million, two hundred twenty-three thousand, one hundred three".