213100023021113 has 4 divisors (see below), whose sum is σ = 213117207133428. Its totient is φ = 213082838908800.

The previous prime is 213100023021107. The next prime is 213100023021121. The reversal of 213100023021113 is 311120320001312.

It is a happy number.

213100023021113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105964212507664 + 107135810513449 = 10293892^2 + 10350643^2 .

It is a cyclic number.

It is not a de Polignac number, because 213100023021113 - 2⁶ = 213100023021049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213100023021133) 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, 8592037556 + ... + 8592062357.

It is an arithmetic number, because the mean of its divisors is an integer number (53279301783357).

Almost surely, 2^{213100023021113} is an apocalyptic number.

It is an amenable number.

213100023021113 is a deficient number, since it is larger than the sum of its proper divisors (17184112315).

213100023021113 is a wasteful number, since it uses less digits than its factorization.

213100023021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17184112314.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213100023021113 its reverse (311120320001312), we get a palindrome (524220343022425).

The spelling of 213100023021113 in words is "two hundred thirteen trillion, one hundred billion, twenty-three million, twenty-one thousand, one hundred thirteen".