213102132111103 has 4 divisors (see below), whose sum is σ = 213102214741440. Its totient is φ = 213102049480768.

The previous prime is 213102132111067. The next prime is 213102132111179. The reversal of 213102132111103 is 301111231201312.

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 213102132111103 - 2⁹ = 213102132110591 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 (213102130111103) 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, 37317775 + ... + 42647632.

It is an arithmetic number, because the mean of its divisors is an integer number (53275553685360).

Almost surely, 2^{213102132111103} is an apocalyptic number.

213102132111103 is a deficient number, since it is larger than the sum of its proper divisors (82630337).

213102132111103 is an equidigital number, since it uses as much as digits as its factorization.

213102132111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82630336.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 213102132111103 its reverse (301111231201312), we get a palindrome (514213363312415).

The spelling of 213102132111103 in words is "two hundred thirteen trillion, one hundred two billion, one hundred thirty-two million, one hundred eleven thousand, one hundred three".