201000011001197 has 2 divisors, whose sum is σ = 201000011001198. Its totient is φ = 201000011001196.

The previous prime is 201000011001089. The next prime is 201000011001241. The reversal of 201000011001197 is 791100110000102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199703079509956 + 1296931491241 = 14131634^2 + 1138829^2 .

It is a cyclic number.

It is not a de Polignac number, because 201000011001197 - 2⁴² = 196601964490093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201000011601197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500005500598 + 100500005500599.

It is an arithmetic number, because the mean of its divisors is an integer number (100500005500599).

Almost surely, 2^{201000011001197} is an apocalyptic number.

It is an amenable number.

201000011001197 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000011001197 is an equidigital number, since it uses as much as digits as its factorization.

201000011001197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 23.

Adding to 201000011001197 its reverse (791100110000102), we get a palindrome (992100121001299).

The spelling of 201000011001197 in words is "two hundred one trillion, eleven million, one thousand, one hundred ninety-seven".