202101299797 has 2 divisors, whose sum is σ = 202101299798. Its totient is φ = 202101299796.

The previous prime is 202101299791. The next prime is 202101299809. The reversal of 202101299797 is 797992101202.

202101299797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190243396561 + 11857903236 = 436169^2 + 108894^2 .

It is a cyclic number.

It is not a de Polignac number, because 202101299797 - 2²⁷ = 201967082069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202101299797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202101299791) 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, 101050649898 + 101050649899.

It is an arithmetic number, because the mean of its divisors is an integer number (101050649899).

Almost surely, 2^202101299797 is an apocalyptic number.

It is an amenable number.

202101299797 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101299797 is an equidigital number, since it uses as much as digits as its factorization.

202101299797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 49.

The spelling of 202101299797 in words is "two hundred two billion, one hundred one million, two hundred ninety-nine thousand, seven hundred ninety-seven".