202111111102213 has 16 divisors (see below), whose sum is σ = 209838191564160. Its totient is φ = 194434565774400.

The previous prime is 202111111102193. The next prime is 202111111102259. The reversal of 202111111102213 is 312201111111202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202111111102213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111111102513) 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 15 ways as a sum of consecutive naturals, for example, 805512168 + ... + 805763038.

It is an arithmetic number, because the mean of its divisors is an integer number (13114886972760).

Almost surely, 2^{202111111102213} is an apocalyptic number.

It is an amenable number.

202111111102213 is a deficient number, since it is larger than the sum of its proper divisors (7727080461947).

202111111102213 is a wasteful number, since it uses less digits than its factorization.

202111111102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351468.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 202111111102213 its reverse (312201111111202), we get a palindrome (514312222213415).

The spelling of 202111111102213 in words is "two hundred two trillion, one hundred eleven billion, one hundred eleven million, one hundred two thousand, two hundred thirteen".