102003201061 has 2 divisors, whose sum is σ = 102003201062. Its totient is φ = 102003201060.

The previous prime is 102003201029. The next prime is 102003201149. The reversal of 102003201061 is 160102300201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94191292836 + 7811908225 = 306906^2 + 88385^2 .

It is a cyclic number.

It is not a de Polignac number, because 102003201061 - 2⁵ = 102003201029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102003201361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001600530 + 51001600531.

It is an arithmetic number, because the mean of its divisors is an integer number (51001600531).

Almost surely, 2^102003201061 is an apocalyptic number.

It is an amenable number.

102003201061 is a deficient number, since it is larger than the sum of its proper divisors (1).

102003201061 is an equidigital number, since it uses as much as digits as its factorization.

102003201061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102003201061 its reverse (160102300201), we get a palindrome (262105501262).

The spelling of 102003201061 in words is "one hundred two billion, three million, two hundred one thousand, sixty-one".