201202111020997 has 2 divisors, whose sum is σ = 201202111020998. Its totient is φ = 201202111020996.

The previous prime is 201202111020959. The next prime is 201202111021003. The reversal of 201202111020997 is 799020111202102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153691336467361 + 47510774553636 = 12397231^2 + 6892806^2 .

It is a cyclic number.

It is not a de Polignac number, because 201202111020997 - 2²³ = 201202102632389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201202111021997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100601055510498 + 100601055510499.

It is an arithmetic number, because the mean of its divisors is an integer number (100601055510499).

Almost surely, 2^{201202111020997} is an apocalyptic number.

It is an amenable number.

201202111020997 is a deficient number, since it is larger than the sum of its proper divisors (1).

201202111020997 is an equidigital number, since it uses as much as digits as its factorization.

201202111020997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 201202111020997 in words is "two hundred one trillion, two hundred two billion, one hundred eleven million, twenty thousand, nine hundred ninety-seven".