200201120021237 has 2 divisors, whose sum is σ = 200201120021238. Its totient is φ = 200201120021236.

The previous prime is 200201120021191. The next prime is 200201120021299. The reversal of 200201120021237 is 732120021102002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195026559666481 + 5174560354756 = 13965191^2 + 2274766^2 .

It is a cyclic number.

It is not a de Polignac number, because 200201120021237 - 2²⁰ = 200201118972661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200201120051237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100560010618 + 100100560010619.

It is an arithmetic number, because the mean of its divisors is an integer number (100100560010619).

Almost surely, 2^{200201120021237} is an apocalyptic number.

It is an amenable number.

200201120021237 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201120021237 is an equidigital number, since it uses as much as digits as its factorization.

200201120021237 is an evil number, because the sum of its binary digits is even.

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

Adding to 200201120021237 its reverse (732120021102002), we get a palindrome (932321141123239).

The spelling of 200201120021237 in words is "two hundred trillion, two hundred one billion, one hundred twenty million, twenty-one thousand, two hundred thirty-seven".