202121202196 has 12 divisors (see below), whose sum is σ = 353726966880. Its totient is φ = 101056354520.

The previous prime is 202121202193. The next prime is 202121202197. The reversal of 202121202196 is 691202121202.

202121202196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202121202193) 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, 953326 + ... + 1145893.

It is an arithmetic number, because the mean of its divisors is an integer number (29477247240).

Almost surely, 2^202121202196 is an apocalyptic number.

It is an amenable number.

202121202196 is a deficient number, since it is larger than the sum of its proper divisors (151605764684).

202121202196 is a wasteful number, since it uses less digits than its factorization.

202121202196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123294 (or 2123292 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 202121202196 its reverse (691202121202), we get a palindrome (893323323398).

The spelling of 202121202196 in words is "two hundred two billion, one hundred twenty-one million, two hundred two thousand, one hundred ninety-six".