99523220201 has 2 divisors, whose sum is σ = 99523220202. Its totient is φ = 99523220200.

The previous prime is 99523220197. The next prime is 99523220239. The reversal of 99523220201 is 10202232599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78428562601 + 21094657600 = 280051^2 + 145240^2 .

It is a cyclic number.

It is not a de Polignac number, because 99523220201 - 2² = 99523220197 is a prime.

It is not a weakly prime, because it can be changed into another prime (99523220281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49761610100 + 49761610101.

It is an arithmetic number, because the mean of its divisors is an integer number (49761610101).

Almost surely, 2^99523220201 is an apocalyptic number.

It is an amenable number.

99523220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

99523220201 is an equidigital number, since it uses as much as digits as its factorization.

99523220201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 99523220201 in words is "ninety-nine billion, five hundred twenty-three million, two hundred twenty thousand, two hundred one".