101199698261 has 2 divisors, whose sum is σ = 101199698262. Its totient is φ = 101199698260.

The previous prime is 101199698213. The next prime is 101199698269. The reversal of 101199698261 is 162896991101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101199698161 + 100 = 318119^2 + 10^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101199698261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101199698269) 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, 50599849130 + 50599849131.

It is an arithmetic number, because the mean of its divisors is an integer number (50599849131).

Almost surely, 2^101199698261 is an apocalyptic number.

It is an amenable number.

101199698261 is a deficient number, since it is larger than the sum of its proper divisors (1).

101199698261 is an equidigital number, since it uses as much as digits as its factorization.

101199698261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 53.

The spelling of 101199698261 in words is "one hundred one billion, one hundred ninety-nine million, six hundred ninety-eight thousand, two hundred sixty-one".