213404011103 has 4 divisors (see below), whose sum is σ = 213510875400. Its totient is φ = 213297146808.

The previous prime is 213404011027. The next prime is 213404011127. The reversal of 213404011103 is 301110404312.

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 213404011103 - 2¹² = 213404007007 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 (213404011133) 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, 53429153 + ... + 53433146.

It is an arithmetic number, because the mean of its divisors is an integer number (53377718850).

Almost surely, 2^213404011103 is an apocalyptic number.

213404011103 is a deficient number, since it is larger than the sum of its proper divisors (106864297).

213404011103 is a wasteful number, since it uses less digits than its factorization.

213404011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106864296.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 213404011103 its reverse (301110404312), we get a palindrome (514514415415).

The spelling of 213404011103 in words is "two hundred thirteen billion, four hundred four million, eleven thousand, one hundred three".