102201712211 has 2 divisors, whose sum is σ = 102201712212. Its totient is φ = 102201712210.

The previous prime is 102201712187. The next prime is 102201712271. The reversal of 102201712211 is 112217102201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (112217102201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102201712211 - 2²² = 102197517907 is a prime.

It is not a weakly prime, because it can be changed into another prime (102201712271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100856105 + 51100856106.

It is an arithmetic number, because the mean of its divisors is an integer number (51100856106).

Almost surely, 2^102201712211 is an apocalyptic number.

102201712211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102201712211 is an equidigital number, since it uses as much as digits as its factorization.

102201712211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 102201712211 its reverse (112217102201), we get a palindrome (214418814412).

The spelling of 102201712211 in words is "one hundred two billion, two hundred one million, seven hundred twelve thousand, two hundred eleven".