201000120222017 has 2 divisors, whose sum is σ = 201000120222018. Its totient is φ = 201000120222016.

The previous prime is 201000120221993. The next prime is 201000120222073. The reversal of 201000120222017 is 710222021000102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123219079967281 + 77781040254736 = 11100409^2 + 8819356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000120222017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201000120222017.

It is not a weakly prime, because it can be changed into another prime (201000120222617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500060111008 + 100500060111009.

It is an arithmetic number, because the mean of its divisors is an integer number (100500060111009).

Almost surely, 2^{201000120222017} is an apocalyptic number.

It is an amenable number.

201000120222017 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000120222017 is an equidigital number, since it uses as much as digits as its factorization.

201000120222017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 201000120222017 its reverse (710222021000102), we get a palindrome (911222141222119).

The spelling of 201000120222017 in words is "two hundred one trillion, one hundred twenty million, two hundred twenty-two thousand, seventeen".