202111200013 has 4 divisors (see below), whose sum is σ = 202127437180. Its totient is φ = 202094962848.

The previous prime is 202111200007. The next prime is 202111200041. The reversal of 202111200013 is 310002111202.

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 127080129289 + 75031070724 = 356483^2 + 273918^2 .

It is a cyclic number.

It is not a de Polignac number, because 202111200013 - 2²⁹ = 201574329101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202111199966 and 202111200002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111200073) 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, 8099898 + ... + 8124811.

It is an arithmetic number, because the mean of its divisors is an integer number (50531859295).

Almost surely, 2^202111200013 is an apocalyptic number.

It is an amenable number.

202111200013 is a deficient number, since it is larger than the sum of its proper divisors (16237167).

202111200013 is a wasteful number, since it uses less digits than its factorization.

202111200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16237166.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 202111200013 its reverse (310002111202), we get a palindrome (512113311215).

The spelling of 202111200013 in words is "two hundred two billion, one hundred eleven million, two hundred thousand, thirteen".