102112100221207 has 2 divisors, whose sum is σ = 102112100221208. Its totient is φ = 102112100221206.

The previous prime is 102112100221151. The next prime is 102112100221213. The reversal of 102112100221207 is 702122001211201.

It is a strong prime.

It is an emirp because it is prime and its reverse (702122001211201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102112100221207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102112100221217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056050110603 + 51056050110604.

It is an arithmetic number, because the mean of its divisors is an integer number (51056050110604).

Almost surely, 2^{102112100221207} is an apocalyptic number.

102112100221207 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112100221207 is an equidigital number, since it uses as much as digits as its factorization.

102112100221207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 102112100221207 its reverse (702122001211201), we get a palindrome (804234101432408).

The spelling of 102112100221207 in words is "one hundred two trillion, one hundred twelve billion, one hundred million, two hundred twenty-one thousand, two hundred seven".