213202113113113 has 4 divisors (see below), whose sum is σ = 213202515300480. Its totient is φ = 213201710925748.

The previous prime is 213202113113053. The next prime is 213202113113123. The reversal of 213202113113113 is 311311311202312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213202113113113 - 2³⁷ = 213064674159641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213202113113123) 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, 200297473 + ... + 201359086.

It is an arithmetic number, because the mean of its divisors is an integer number (53300628825120).

Almost surely, 2^{213202113113113} is an apocalyptic number.

It is an amenable number.

213202113113113 is a deficient number, since it is larger than the sum of its proper divisors (402187367).

213202113113113 is an equidigital number, since it uses as much as digits as its factorization.

213202113113113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402187366.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 213202113113113 its reverse (311311311202312), we get a palindrome (524513424315425).

The spelling of 213202113113113 in words is "two hundred thirteen trillion, two hundred two billion, one hundred thirteen million, one hundred thirteen thousand, one hundred thirteen".