102020071201 has 2 divisors, whose sum is σ = 102020071202. Its totient is φ = 102020071200.

The previous prime is 102020071157. The next prime is 102020071207. The reversal of 102020071201 is 102170020201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92100110400 + 9919960801 = 303480^2 + 99599^2 .

It is a cyclic number.

It is not a de Polignac number, because 102020071201 - 2¹¹ = 102020069153 is a prime.

It is not a weakly prime, because it can be changed into another prime (102020071207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010035600 + 51010035601.

It is an arithmetic number, because the mean of its divisors is an integer number (51010035601).

Almost surely, 2^102020071201 is an apocalyptic number.

It is an amenable number.

102020071201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020071201 is an equidigital number, since it uses as much as digits as its factorization.

102020071201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 102020071201 its reverse (102170020201), we get a palindrome (204190091402).

The spelling of 102020071201 in words is "one hundred two billion, twenty million, seventy-one thousand, two hundred one".