201020102200997 has 2 divisors, whose sum is σ = 201020102200998. Its totient is φ = 201020102200996.

The previous prime is 201020102200921. The next prime is 201020102201063. The reversal of 201020102200997 is 799002201020102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197160661214881 + 3859440986116 = 14041391^2 + 1964546^2 .

It is a cyclic number.

It is not a de Polignac number, because 201020102200997 - 2¹⁴ = 201020102184613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201020102203997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510051100498 + 100510051100499.

It is an arithmetic number, because the mean of its divisors is an integer number (100510051100499).

Almost surely, 2^{201020102200997} is an apocalyptic number.

It is an amenable number.

201020102200997 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020102200997 is an equidigital number, since it uses as much as digits as its factorization.

201020102200997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 201020102200997 in words is "two hundred one trillion, twenty billion, one hundred two million, two hundred thousand, nine hundred ninety-seven".