102200101261 has 2 divisors, whose sum is σ = 102200101262. Its totient is φ = 102200101260.

The previous prime is 102200101187. The next prime is 102200101301. The reversal of 102200101261 is 162101002201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67083590025 + 35116511236 = 259005^2 + 187394^2 .

It is a cyclic number.

It is not a de Polignac number, because 102200101261 - 2¹¹ = 102200099213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102200101061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100050630 + 51100050631.

It is an arithmetic number, because the mean of its divisors is an integer number (51100050631).

Almost surely, 2^102200101261 is an apocalyptic number.

It is an amenable number.

102200101261 is a deficient number, since it is larger than the sum of its proper divisors (1).

102200101261 is an equidigital number, since it uses as much as digits as its factorization.

102200101261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102200101261 its reverse (162101002201), we get a palindrome (264301103462).

The spelling of 102200101261 in words is "one hundred two billion, two hundred million, one hundred one thousand, two hundred sixty-one".