102020201221207 has 2 divisors, whose sum is σ = 102020201221208. Its totient is φ = 102020201221206.

The previous prime is 102020201221163. The next prime is 102020201221223. The reversal of 102020201221207 is 702122102020201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102020201221207 - 2²³ = 102020192832599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102020201221247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010100610603 + 51010100610604.

It is an arithmetic number, because the mean of its divisors is an integer number (51010100610604).

Almost surely, 2^{102020201221207} is an apocalyptic number.

102020201221207 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020201221207 is an equidigital number, since it uses as much as digits as its factorization.

102020201221207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 102020201221207 its reverse (702122102020201), we get a palindrome (804142303241408).

The spelling of 102020201221207 in words is "one hundred two trillion, twenty billion, two hundred one million, two hundred twenty-one thousand, two hundred seven".