213112102233103 has 4 divisors (see below), whose sum is σ = 215103804123240. Its totient is φ = 211120400342968.

The previous prime is 213112102233083. The next prime is 213112102233139. The reversal of 213112102233103 is 301332201211312.

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 213112102233103 - 2⁹ = 213112102232591 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 (213112102233143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995850944908 + ... + 995850945121.

It is an arithmetic number, because the mean of its divisors is an integer number (53775951030810).

Almost surely, 2^{213112102233103} is an apocalyptic number.

213112102233103 is a deficient number, since it is larger than the sum of its proper divisors (1991701890137).

213112102233103 is a wasteful number, since it uses less digits than its factorization.

213112102233103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991701890136.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 213112102233103 its reverse (301332201211312), we get a palindrome (514444303444415).

The spelling of 213112102233103 in words is "two hundred thirteen trillion, one hundred twelve billion, one hundred two million, two hundred thirty-three thousand, one hundred three".