210113232113 has 4 divisors (see below), whose sum is σ = 222472834020. Its totient is φ = 197753630208.

The previous prime is 210113232083. The next prime is 210113232151. The reversal of 210113232113 is 311232311012.

It is a happy number.

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 106855764544 + 103257467569 = 326888^2 + 321337^2 .

It is a cyclic number.

It is not a de Polignac number, because 210113232113 - 2⁸ = 210113231857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210113232313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6179800928 + ... + 6179800961.

It is an arithmetic number, because the mean of its divisors is an integer number (55618208505).

Almost surely, 2^210113232113 is an apocalyptic number.

It is an amenable number.

210113232113 is a deficient number, since it is larger than the sum of its proper divisors (12359601907).

210113232113 is a wasteful number, since it uses less digits than its factorization.

210113232113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12359601906.

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

Adding to 210113232113 its reverse (311232311012), we get a palindrome (521345543125).

The spelling of 210113232113 in words is "two hundred ten billion, one hundred thirteen million, two hundred thirty-two thousand, one hundred thirteen".