201751012097 has 2 divisors, whose sum is σ = 201751012098. Its totient is φ = 201751012096.

The previous prime is 201751012069. The next prime is 201751012139. The reversal of 201751012097 is 790210157102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193071481201 + 8679530896 = 439399^2 + 93164^2 .

It is a cyclic number.

It is not a de Polignac number, because 201751012097 - 2⁸ = 201751011841 is a prime.

It is not a weakly prime, because it can be changed into another prime (201751012007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100875506048 + 100875506049.

It is an arithmetic number, because the mean of its divisors is an integer number (100875506049).

Almost surely, 2^201751012097 is an apocalyptic number.

It is an amenable number.

201751012097 is a deficient number, since it is larger than the sum of its proper divisors (1).

201751012097 is an equidigital number, since it uses as much as digits as its factorization.

201751012097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 35.

Adding to 201751012097 its reverse (790210157102), we get a palindrome (991961169199).

The spelling of 201751012097 in words is "two hundred one billion, seven hundred fifty-one million, twelve thousand, ninety-seven".