11202020099597 has 2 divisors, whose sum is σ = 11202020099598. Its totient is φ = 11202020099596.

The previous prime is 11202020099591. The next prime is 11202020099639. The reversal of 11202020099597 is 79599002020211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6950283322921 + 4251736776676 = 2636339^2 + 2061974^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202020099597 - 2⁴ = 11202020099581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202020099591) 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, 5601010049798 + 5601010049799.

It is an arithmetic number, because the mean of its divisors is an integer number (5601010049799).

Almost surely, 2^{11202020099597} is an apocalyptic number.

It is an amenable number.

11202020099597 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202020099597 is an equidigital number, since it uses as much as digits as its factorization.

11202020099597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 11202020099597 in words is "eleven trillion, two hundred two billion, twenty million, ninety-nine thousand, five hundred ninety-seven".