210201202111013 has 4 divisors (see below), whose sum is σ = 212061389740428. Its totient is φ = 208341014481600.

The previous prime is 210201202110961. The next prime is 210201202111091. The reversal of 210201202111013 is 310111202102012.

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 8462414814529 + 201738787296484 = 2909023^2 + 14203478^2 .

It is a cyclic number.

It is not a de Polignac number, because 210201202111013 - 2²⁶ = 210201135002149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210201202110982 and 210201202111000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210201202111213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930093814538 + ... + 930093814763.

It is an arithmetic number, because the mean of its divisors is an integer number (53015347435107).

Almost surely, 2^{210201202111013} is an apocalyptic number.

It is an amenable number.

210201202111013 is a deficient number, since it is larger than the sum of its proper divisors (1860187629415).

210201202111013 is a wasteful number, since it uses less digits than its factorization.

210201202111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860187629414.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 210201202111013 its reverse (310111202102012), we get a palindrome (520312404213025).

Subtracting 210201202111013 from its reverse (310111202102012), we obtain a palindrome (99909999990999).

The spelling of 210201202111013 in words is "two hundred ten trillion, two hundred one billion, two hundred two million, one hundred eleven thousand, thirteen".