202112100213 has 4 divisors (see below), whose sum is σ = 269482800288. Its totient is φ = 134741400140.

The previous prime is 202112100163. The next prime is 202112100227. The reversal of 202112100213 is 312001211202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202112100213 - 2⁶ = 202112100149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202112100192 and 202112100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112100233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33685350033 + ... + 33685350038.

It is an arithmetic number, because the mean of its divisors is an integer number (67370700072).

Almost surely, 2^202112100213 is an apocalyptic number.

It is an amenable number.

202112100213 is a deficient number, since it is larger than the sum of its proper divisors (67370700075).

202112100213 is an equidigital number, since it uses as much as digits as its factorization.

202112100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67370700074.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 202112100213 its reverse (312001211202), we get a palindrome (514113311415).

The spelling of 202112100213 in words is "two hundred two billion, one hundred twelve million, one hundred thousand, two hundred thirteen".