201100216087237 has 2 divisors, whose sum is σ = 201100216087238. Its totient is φ = 201100216087236.

The previous prime is 201100216087153. The next prime is 201100216087301. The reversal of 201100216087237 is 732780612001102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200733754146916 + 366461940321 = 14168054^2 + 605361^2 .

It is a cyclic number.

It is not a de Polignac number, because 201100216087237 - 2²⁷ = 201100081869509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201100216087237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201100216067237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550108043618 + 100550108043619.

It is an arithmetic number, because the mean of its divisors is an integer number (100550108043619).

Almost surely, 2^{201100216087237} is an apocalyptic number.

It is an amenable number.

201100216087237 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100216087237 is an equidigital number, since it uses as much as digits as its factorization.

201100216087237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

Adding to 201100216087237 its reverse (732780612001102), we get a palindrome (933880828088339).

The spelling of 201100216087237 in words is "two hundred one trillion, one hundred billion, two hundred sixteen million, eighty-seven thousand, two hundred thirty-seven".