201001220120237 has 2 divisors, whose sum is σ = 201001220120238. Its totient is φ = 201001220120236.

The previous prime is 201001220120209. The next prime is 201001220120249. The reversal of 201001220120237 is 732021022100102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199405295756836 + 1595924363401 = 14121094^2 + 1263299^2 .

It is a cyclic number.

It is not a de Polignac number, because 201001220120237 - 2²² = 201001215925933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201001220120737) 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, 100500610060118 + 100500610060119.

It is an arithmetic number, because the mean of its divisors is an integer number (100500610060119).

Almost surely, 2^{201001220120237} is an apocalyptic number.

It is an amenable number.

201001220120237 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001220120237 is an equidigital number, since it uses as much as digits as its factorization.

201001220120237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 201001220120237 its reverse (732021022100102), we get a palindrome (933022242220339).

The spelling of 201001220120237 in words is "two hundred one trillion, one billion, two hundred twenty million, one hundred twenty thousand, two hundred thirty-seven".