100010200261 has 2 divisors, whose sum is σ = 100010200262. Its totient is φ = 100010200260.

The previous prime is 100010200237. The next prime is 100010200331. The reversal of 100010200261 is 162002010001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90009000225 + 10001200036 = 300015^2 + 100006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100010200261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100010200061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005100130 + 50005100131.

It is an arithmetic number, because the mean of its divisors is an integer number (50005100131).

Almost surely, 2^100010200261 is an apocalyptic number.

It is an amenable number.

100010200261 is a deficient number, since it is larger than the sum of its proper divisors (1).

100010200261 is an equidigital number, since it uses as much as digits as its factorization.

100010200261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100010200261 its reverse (162002010001), we get a palindrome (262012210262).

The spelling of 100010200261 in words is "one hundred billion, ten million, two hundred thousand, two hundred sixty-one".