201001013113 has 4 divisors (see below), whose sum is σ = 201006302068. Its totient is φ = 200995724160.

The previous prime is 201001013077. The next prime is 201001013117. The reversal of 201001013113 is 311310100102.

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 133859393424 + 67141619689 = 365868^2 + 259117^2 .

It is a cyclic number.

It is not a de Polignac number, because 201001013113 - 2²¹ = 200998915961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201001013093 and 201001013102.

It is not an unprimeable number, because it can be changed into a prime (201001013117) 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, 2587056 + ... + 2663617.

It is an arithmetic number, because the mean of its divisors is an integer number (50251575517).

Almost surely, 2^201001013113 is an apocalyptic number.

It is an amenable number.

201001013113 is a deficient number, since it is larger than the sum of its proper divisors (5288955).

201001013113 is an equidigital number, since it uses as much as digits as its factorization.

201001013113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288954.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 201001013113 its reverse (311310100102), we get a palindrome (512311113215).

The spelling of 201001013113 in words is "two hundred one billion, one million, thirteen thousand, one hundred thirteen".