202111101113 has 4 divisors (see below), whose sum is σ = 202122733428. Its totient is φ = 202099468800.

The previous prime is 202111101061. The next prime is 202111101121. The reversal of 202111101113 is 311101111202.

202111101113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 130839188089 + 71271913024 = 361717^2 + 266968^2 .

It is a cyclic number.

It is not a de Polignac number, because 202111101113 - 2²⁰ = 202110052537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202111101713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5790056 + ... + 5824857.

It is an arithmetic number, because the mean of its divisors is an integer number (50530683357).

Almost surely, 2^202111101113 is an apocalyptic number.

It is an amenable number.

202111101113 is a deficient number, since it is larger than the sum of its proper divisors (11632315).

202111101113 is a wasteful number, since it uses less digits than its factorization.

202111101113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11632314.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 202111101113 its reverse (311101111202), we get a palindrome (513212212315).

The spelling of 202111101113 in words is "two hundred two billion, one hundred eleven million, one hundred one thousand, one hundred thirteen".